Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 20:30 and 20:45 on 15 March 2025.
Normal traffic conditions are expected between 21:15 and 21:30 on 15 March 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 16.23 miles from Upper North Dean.

Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 15.78 miles from Upper North Dean.

Location: southbound between the junctions with the A4146 South and the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 15 March 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.74 miles from Upper North Dean.

Location: southbound between the junctions with the A4155 and the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 15 March 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.61 miles from Upper North Dean.

Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 15 March 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 4.37 miles from Upper North Dean.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 19:30 and 19:45 on 15 March 2025.
Cause : Roadworks.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.39 miles from Upper North Dean.

Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Due to: Roadworks.
Period : from 20:57 on 15 March 2025 to 05:00 on 16 March 2025.
Lanes Closed : All lanes are closed.
Nearest town: 17.13 miles from Upper North Dean.

Location: eastbound between junctions J13 (Newbury) and J10 (Reading) .
Due to: Roadworks scheme.
Period : from 20:10 on 14 March 2025 to 06:00 on 22 March 2025.
Nearest town: 19.95 miles from Upper North Dean.

Location: northbound at junction J10 (Luton Airport) .
Lane Closures : The hard shoulder is closed.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 16 March 2025.
Nearest town: 19.81 miles from Upper North Dean.

Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Due to: Roadworks scheme.
Period : from 06:40 on 15 March 2025 to 06:00 on 17 March 2025.
Nearest town: 14.11 miles from Upper North Dean.

Location: westbound exit slip at junction J7 (Slough) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 March 2025.
Lanes Closed : All lanes are closed.
Nearest town: 12.55 miles from Upper North Dean.

Location: westbound entry slip at junction J6 (Slough) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 March 2025.
Lanes Closed : All lanes are closed.
Nearest town: 13.91 miles from Upper North Dean.

Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 March 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Lanes Closed : All lanes are closed.
Nearest town: 14.11 miles from Upper North Dean.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 19 March 2025.
Nearest town: 4.86 miles from Upper North Dean.

Location: northbound between junctions J10 (Luton Airport) and J11 (Luton) .
Due to: Roadworks.
Period : expect disruption until 22:00 on 24 March 2025.
Nearest town: 19.91 miles from Upper North Dean.

Location: northbound at junction J10 (Luton Airport) .
Due to: Roadworks.
Period : expect disruption until 22:00 on 24 March 2025.
Nearest town: 19.81 miles from Upper North Dean.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Due to: Roadworks scheme.
Period : from 20:10 on 12 March 2025 to 06:00 on 18 March 2025.
Nearest town: 16.11 miles from Upper North Dean.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 23:59 on 30 March 2025.
Nearest town: 7.95 miles from Upper North Dean.

Location: eastbound at junction J10 (Reading) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 May 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 17.41 miles from Upper North Dean.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 May 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.77 miles from Upper North Dean.

Location: westbound at junction J11 (Basingstoke) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 May 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.73 miles from Upper North Dean.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 May 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 17.47 miles from Upper North Dean.

Location: eastbound between junctions J11 (Basingstoke) and J10 (Reading) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 May 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.61 miles from Upper North Dean.

Location: eastbound at junction J11 (Basingstoke) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 May 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.78 miles from Upper North Dean.

Location: northbound between junctions J10 (Luton Airport) and J14 (Milton Keynes) .
Due to: Roadworks scheme.
Period : from 22:00 on 7 March 2025 to 05:00 on 30 September 2025.
Nearest town: 19.78 miles from Upper North Dean.

Location: westbound between junctions J10 (Reading) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 20:00 on 14 March 2025 to 06:00 on 28 March 2025.
Nearest town: 18.47 miles from Upper North Dean.

Location: westbound between junctions J10 (Reading) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 23:01 on 15 May 2024 to 06:00 on 1 May 2025.
Nearest town: 17.28 miles from Upper North Dean.

Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 March 2025 to 05:00 on 23 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.83 miles from Upper North Dean.

Location: eastbound at junction J5 (Colnbrook) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 March 2025 to 24 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.31 miles from Upper North Dean.

Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 March 2025 to 24 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.33 miles from Upper North Dean.

Location: northbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 21 March 2025 to 05:00 on 22 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 4.37 miles from Upper North Dean.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.87 miles from Upper North Dean.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 21 March 2025 to 05:00 on 22 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 4.37 miles from Upper North Dean.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.99 miles from Upper North Dean.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 21 March 2025 to 23:59 on 25 March 2025.
Nearest town: 4.39 miles from Upper North Dean.

Location: The junction of the A5 and the A5183 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 24 March 2025 to 29 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.06 miles from Upper North Dean.

Location: southbound between the junctions with the A4012 and the A5183 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 April 2025 to 17 April 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 April 2025 to 26 April 2025.
Nearest town: 19.54 miles from Upper North Dean.

Location: northbound between the A5183 and the junction with the A4146 Bletchley South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 24 March 2025 to 29 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.03 miles from Upper North Dean.

Location: northbound at the junction with the A5183 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 24 March 2025 to 29 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.09 miles from Upper North Dean.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 April 2025 to 17 April 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 April 2025 to 26 April 2025.
Nearest town: 19.44 miles from Upper North Dean.

Location: eastbound at junction J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2025 to 06:00 on 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.41 miles from Upper North Dean.

Location: eastbound between junctions J11 (Basingstoke) and J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2025 to 06:00 on 20 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.41 miles from Upper North Dean.

Location: eastbound between junctions J11 (Basingstoke) and J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2025 to 06:00 on 21 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.94 miles from Upper North Dean.

Location: eastbound at junction J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2025 to 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.78 miles from Upper North Dean.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2025 to 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.95 miles from Upper North Dean.

Location: eastbound between junctions J11 (Basingstoke) and J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.61 miles from Upper North Dean.

Location: eastbound at junction J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.78 miles from Upper North Dean.

Location: eastbound between junctions J12 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.8 miles from Upper North Dean.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 19 March 2025 to 21 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.06 miles from Upper North Dean.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 19 March 2025 to 21 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.52 miles from Upper North Dean.

Location: clockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 19 March 2025 to 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.64 miles from Upper North Dean.

Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 19 March 2025 to 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.33 miles from Upper North Dean.

Location: westbound entry slip at junction J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 24 March 2025 to 06:00 on 25 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.06 miles from Upper North Dean.

Location: westbound at junction J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 24 March 2025 to 06:00 on 25 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.08 miles from Upper North Dean.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.81 miles from Upper North Dean.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 March 2025 to 22 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.75 miles from Upper North Dean.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 24 March 2025 to 06:00 on 25 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.47 miles from Upper North Dean.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.4 miles from Upper North Dean.

Location: anticlockwise entry slip at junction J19 (Watford) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.25 miles from Upper North Dean.

Location: anticlockwise exit slip at junction J18 (Rickmansworth) .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.57 miles from Upper North Dean.

Location: northbound between the junctions with the A4155 and the M40 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2025 to 06:00 on 21 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.62 miles from Upper North Dean.

Location: clockwise exit slip at junction J14 (Heathrow Airport) for A3113.
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.69 miles from Upper North Dean.

Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 21 March 2025 to 05:00 on 22 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.97 miles from Upper North Dean.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.16 miles from Upper North Dean.

Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.28 miles from Upper North Dean.

Location: anticlockwise at junction J16 (M40) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.21 miles from Upper North Dean.

Location: northbound exit slip at junction J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.9 miles from Upper North Dean.

Location: northbound exit slip at junction J8 (Hemel Hstead) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.01 miles from Upper North Dean.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.78 miles from Upper North Dean.

Location: anticlockwise entry slip at junction J16 (M40) From M40 South.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.09 miles from Upper North Dean.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 20 March 2025 to 22 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.07 miles from Upper North Dean.

Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.82 miles from Upper North Dean.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.67 miles from Upper North Dean.

Location: anticlockwise entry slip at junction J16 (M40) From M40 North.
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.78 miles from Upper North Dean.

Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 20 March 2025 to 22 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.2 miles from Upper North Dean.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 20 March 2025 to 22 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.45 miles from Upper North Dean.

Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.93 miles from Upper North Dean.

Location: northbound between junctions J10 (Luton Airport) and J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.95 miles from Upper North Dean.

Location: northbound between junctions J4A and M4 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 24 March 2025 to 28 March 2025.
Schedule : From 23:00 on 28 March 2025 to 06:00 on 29 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.28 miles from Upper North Dean.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.85 miles from Upper North Dean.

Location: clockwise entry slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.48 miles from Upper North Dean.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.68 miles from Upper North Dean.

Location: clockwise at junction J15 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2025 to 05:00 on 21 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.69 miles from Upper North Dean.

Location: eastbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2025 to 06:00 on 21 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.59 miles from Upper North Dean.

Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2025 to 06:00 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.11 miles from Upper North Dean.

Location: northbound at junction J6 (Thame) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 20 March 2025 to 00:00 on 24 March 2025.
Nearest town: 7.42 miles from Upper North Dean.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:00 on 19 March 2025.
Nearest town: 17.37 miles from Upper North Dean.

Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:00 on 19 March 2025.
Nearest town: 19.56 miles from Upper North Dean.

Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.81 miles from Upper North Dean.

Location: anticlockwise at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.21 miles from Upper North Dean.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 7.7 miles from Upper North Dean.

Location: southbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.8 miles from Upper North Dean.

Location: southbound between junctions J2 (Beaconsfield) and J1 (Slough) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.47 miles from Upper North Dean.

Location: southbound exit slip at junction J1 (Slough) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.29 miles from Upper North Dean.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:30 on 20 March 2025.
Nearest town: 18.15 miles from Upper North Dean.

Location: eastbound at junction J4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:29 on 20 March 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.71 miles from Upper North Dean.

Location: eastbound entry slip at junction J4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:30 on 20 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.92 miles from Upper North Dean.

Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.27 miles from Upper North Dean.

Location: eastbound.
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:30 on 20 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.86 miles from Upper North Dean.

Location: clockwise between junctions J16 (M40) and J18 (Rickmansworth) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.83 miles from Upper North Dean.

Location: northbound between junctions J4A and J4 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:30 on 20 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.23 miles from Upper North Dean.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:29 on 20 March 2025.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 18.15 miles from Upper North Dean.

Location: eastbound exit slip at junction J4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:30 on 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.83 miles from Upper North Dean.

Location: westbound exit slip at junction J4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:30 on 20 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.18 miles from Upper North Dean.

Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.82 miles from Upper North Dean.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.37 miles from Upper North Dean.

Location: anticlockwise between junctions J13 (A30) and J12 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 19 March 2025 to 21 March 2025.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 19.7 miles from Upper North Dean.

Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.1 miles from Upper North Dean.

Location: eastbound at junction J5 (Colnbrook) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:30 on 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.33 miles from Upper North Dean.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:00 on 20 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.59 miles from Upper North Dean.

Location: eastbound at junction J4B (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2025 to 05:30 on 20 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.85 miles from Upper North Dean.

Location: southbound between the junctions with the A4155 and the A308 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2025 to 06:00 on 20 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.21 miles from Upper North Dean.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 19 March 2025 to 23:59 on 21 March 2025.
Nearest town: 4.7 miles from Upper North Dean.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.14 miles from Upper North Dean.

Location: clockwise entry slip at junction J14 (Heathrow Airport) from A3113.
Lane Closures : Lane one will be closed.
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : From 22:30 on 16 March 2025 to 05:00 on 17 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.55 miles from Upper North Dean.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 19 March 2025 to 17:00 on 19 March 2025.
Nearest town: 15.98 miles from Upper North Dean.

Location: clockwise at junction J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.81 miles from Upper North Dean.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.65 miles from Upper North Dean.

Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.81 miles from Upper North Dean.

Location: anticlockwise at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.21 miles from Upper North Dean.

Location: northbound entry slip at junction J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.56 miles from Upper North Dean.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.4 miles from Upper North Dean.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.9 miles from Upper North Dean.

Location: northbound at junction J1 (Slough) .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.67 miles from Upper North Dean.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.51 miles from Upper North Dean.

Location: northbound entry slip at junction J1 (Slough) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.65 miles from Upper North Dean.

Location: southbound entry slip at junction J6 (Thame) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 18 March 2025 to 20 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.27 miles from Upper North Dean.

Location: anticlockwise entry slip at junction J18 (Rickmansworth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.6 miles from Upper North Dean.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:00 on 19 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.59 miles from Upper North Dean.

Location: slip road to the M40 southbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2025 to 05:30 on 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.43 miles from Upper North Dean.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2025 to 06:00 on 23 March 2025.
Nearest town: 17.71 miles from Upper North Dean.

Location: eastbound at junction J4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2025 to 05:30 on 19 March 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 21 March 2025 to 23 March 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.71 miles from Upper North Dean.

Location: eastbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2025 to 05:30 on 19 March 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 21 March 2025 to 23 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.86 miles from Upper North Dean.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2025 to 05:30 on 19 March 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 21 March 2025 to 23 March 2025.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 18.15 miles from Upper North Dean.

Location: eastbound entry slip at junction J4B (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2025 to 05:30 on 19 March 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 21 March 2025 to 23 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.71 miles from Upper North Dean.

Location: westbound exit slip at junction J4 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2025 to 05:30 on 19 March 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 21 March 2025 to 23 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.18 miles from Upper North Dean.

Location: westbound entry slip at junction J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 18 March 2025 to 20 March 2025.
Schedule : From 22:00 on 22 March 2025 to 06:00 on 23 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.06 miles from Upper North Dean.

Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 18 March 2025 to 20 March 2025.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 20 October 2025 to 23 October 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.03 miles from Upper North Dean.

Location: anticlockwise at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.21 miles from Upper North Dean.

Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.81 miles from Upper North Dean.

Location: southbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.8 miles from Upper North Dean.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 7.7 miles from Upper North Dean.

Location: southbound between junctions J2 (Beaconsfield) and J1 (Slough) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.47 miles from Upper North Dean.

Location: southbound exit slip at junction J1 (Slough) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.29 miles from Upper North Dean.

Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lanes 2, 3, 4 and 5 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 March 2025 to 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : There will be four of five lanes closed.
Nearest town: 18.75 miles from Upper North Dean.

Location: anticlockwise at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 March 2025 to 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.48 miles from Upper North Dean.

Location: anticlockwise entry slip at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 March 2025 to 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.51 miles from Upper North Dean.

Location: anticlockwise entry slip at junction J14 (Heathrow Airport) from A3113.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 March 2025 to 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.67 miles from Upper North Dean.

Location: northbound between junctions J8 (Oxford) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 17 March 2025 to 19 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.25 miles from Upper North Dean.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.07 miles from Upper North Dean.

Location: southbound at junction J4 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.4 miles from Upper North Dean.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 4.4 miles from Upper North Dean.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.91 miles from Upper North Dean.

Location: northbound entry slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 17 March 2025 to 19 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.03 miles from Upper North Dean.

Location: anticlockwise at junction J13 (A30) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 March 2025 to 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.28 miles from Upper North Dean.

Location: southbound.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 4.4 miles from Upper North Dean.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 4.33 miles from Upper North Dean.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.73 miles from Upper North Dean.

Location: southbound between junctions J6 (Watford A405) and J1 (North Circular) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 March 2025 to 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 24 March 2025 to 28 March 2025.
Schedule : From 23:00 on 28 March 2025 to 06:00 on 29 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.58 miles from Upper North Dean.

Location: southbound entry slip at junction J5 (Harrow A41) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 March 2025 to 21 March 2025.
Schedule : From 23:00 on 21 March 2025 to 06:00 on 22 March 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 24 March 2025 to 28 March 2025.
Schedule : From 23:00 on 28 March 2025 to 06:00 on 29 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.95 miles from Upper North Dean.

Location: eastbound.
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:30 on 18 March 2025.
Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.86 miles from Upper North Dean.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 March 2025 to 19 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.17 miles from Upper North Dean.

Location: southbound between junctions J4 and J4A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:30 on 18 March 2025.
Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.95 miles from Upper North Dean.

Location: anticlockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.93 miles from Upper North Dean.

Location: eastbound exit slip at junction J4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:30 on 18 March 2025.
Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025.
Schedule : From 22:00 on 23 March 2025 to 05:30 on 24 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.83 miles from Upper North Dean.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:30 on 18 March 2025.
Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 18.15 miles from Upper North Dean.

Location: anticlockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.93 miles from Upper North Dean.

Location: anticlockwise between junctions J21 (M1) and J20 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:00 on 18 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.38 miles from Upper North Dean.

Location: westbound exit slip at junction J4 for Heathrow.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:30 on 18 March 2025.
Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.97 miles from Upper North Dean.

Location: westbound exit slip at junction J4 for Heathrow.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2025 to 05:30 on 18 March 2025.
Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025.
Schedule : From 22:00 on 23 March 2025 to 05:30 on 24 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.97 miles from Upper North Dean.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 05:00 on 24 March 2025.
Nearest town: 17.71 miles from Upper North Dean.

Location: eastbound exit slip at junction J4 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 05:00 on 18 March 2025.
Schedule : From 21:00 on 20 March 2025 to 05:00 on 21 March 2025.
Schedule : From 21:00 on 23 March 2025 to 05:00 on 24 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.72 miles from Upper North Dean.

Location: eastbound.
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 05:00 on 18 March 2025.
Schedule : From 21:00 on 20 March 2025 to 05:00 on 21 March 2025.
Schedule : From 21:00 on 23 March 2025 to 05:00 on 24 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.86 miles from Upper North Dean.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 05:00 on 18 March 2025.
Schedule : From 21:00 on 20 March 2025 to 05:00 on 21 March 2025.
Schedule : From 21:00 on 23 March 2025 to 05:00 on 24 March 2025.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 18.15 miles from Upper North Dean.

Location: eastbound entry slip at junction J4B (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 05:00 on 18 March 2025.
Schedule : From 21:00 on 20 March 2025 to 05:00 on 21 March 2025.
Schedule : From 21:00 on 23 March 2025 to 05:00 on 24 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.71 miles from Upper North Dean.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 17 March 2025 to 22 March 2025.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 24 March 2025 to 29 March 2025.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 31 March 2025 to 5 April 2025.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 7 April 2025 to 12 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.35 miles from Upper North Dean.

Location: northbound between the A4130 and the junction with the A4155 .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.71 miles from Upper North Dean.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.62 miles from Upper North Dean.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2025 to 06:00 on 22 March 2025.
Nearest town: 19.83 miles from Upper North Dean.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 19 March 2025 to 22 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.83 miles from Upper North Dean.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2025 to 19 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.83 miles from Upper North Dean.

Location: The A308M westbound between the junctions with the A308 and the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 April 2025 to 10 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.21 miles from Upper North Dean.

Location: westbound exit slip at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 April 2025 to 10 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.44 miles from Upper North Dean.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 April 2025 to 10 April 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.53 miles from Upper North Dean.

Location: eastbound exit slip at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 April 2025 to 10 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.46 miles from Upper North Dean.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 April 2025 to 10 April 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.89 miles from Upper North Dean.

Location: The A404M southbound between junctions J9A and J9 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 April 2025 to 10 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.98 miles from Upper North Dean.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2025 to 05:00 on 17 March 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.87 miles from Upper North Dean.

Location: northbound between junctions J10 (Luton Airport) and J11 (Luton) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 29 September 2025 to 05:00 on 30 September 2025.
Nearest town: 19.91 miles from Upper North Dean.

Location: northbound at junction J10 (Luton Airport) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 29 September 2025 to 05:00 on 30 September 2025.
Nearest town: 19.78 miles from Upper North Dean.

Location: westbound at junction J6 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2025 to 06:00 on 17 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.11 miles from Upper North Dean.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2025 to 06:00 on 17 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.11 miles from Upper North Dean.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 16.11 miles from Upper North Dean.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 7 April 2025 to 06:00 on 10 April 2025.
Nearest town: 12.53 miles from Upper North Dean.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 7 April 2025 to 06:00 on 10 April 2025.
Nearest town: 12.89 miles from Upper North Dean.

Location: northbound between the A5183 and the junction with the A4146 Bletchley South.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 24 March 2025 to 06:00 on 26 April 2025.
Nearest town: 19.09 miles from Upper North Dean.
