Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : The hard shoulder is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 31 March 2026.
Nearest town: 6.1 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.91 miles from Calne Marsh.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.85 miles from Calne Marsh.

Location: westbound at junction J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 7.3 miles from Calne Marsh.

Location: westbound entry slip at junction J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 7.41 miles from Calne Marsh.

Location: westbound exit slip at junction J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 7.29 miles from Calne Marsh.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.71 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.99 miles from Calne Marsh.

Location: northbound between the A303 and the junction with the A350 South.
Due to: Roadworks scheme.
Period : from 20:04 on 11 December 2025 to 06:00 on 20 December 2025.
Nearest town: 19.38 miles from Calne Marsh.

Location: southbound between the A350 South and the junction with the A303 .
Due to: Roadworks scheme.
Period : from 20:04 on 11 December 2025 to 06:00 on 20 December 2025.
Nearest town: 18.18 miles from Calne Marsh.

Location: southbound between the A420 and the junction with the A4 .
Due to: Roadworks scheme.
Period : from 02:00 on 2 December 2025 to 05:00 on 20 December 2025.
Nearest town: 15.05 miles from Calne Marsh.

Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
Nearest town: 14.97 miles from Calne Marsh.

Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
Nearest town: 15.05 miles from Calne Marsh.

Location: northbound between the A4 and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 02:00 on 2 December 2025 to 05:00 on 20 December 2025.
Nearest town: 14.94 miles from Calne Marsh.

Location: northbound between the junctions with the A4 and the A420 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
Nearest town: 14.94 miles from Calne Marsh.

Location: northbound between the junctions with the A4 and the A420 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
Nearest town: 14.95 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : The hard shoulder is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 18:00 on 31 July 2026.
Nearest town: 8.17 miles from Calne Marsh.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 December 2025 to 20 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 December 2025 to 27 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 29 December 2025 to 3 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 January 2026 to 10 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.62 miles from Calne Marsh.

Location: eastbound between junctions J15 (Swindon) and J14 (Hungerford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.72 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J17 (Chippenham) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.42 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
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 16 December 2025 to 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.73 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
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 16 December 2025 to 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.99 miles from Calne Marsh.

Location: northbound between the A4311 and the junction with the A417 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.35 miles from Calne Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 18 December 2025 to 00:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.85 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J14 (Hungerford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 18 December 2025 to 00:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.94 miles from Calne Marsh.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 15:30 from 15 December 2025 to 19 December 2025.
Nearest town: 18.45 miles from Calne Marsh.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 15:30 from 15 December 2025 to 19 December 2025.
Nearest town: 18.51 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 17 December 2025 to 16:00 on 17 December 2025.
Nearest town: 6.86 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 17 December 2025 to 16:00 on 17 December 2025.
Nearest town: 6.93 miles from Calne Marsh.

Location: southbound between the junctions with the A4 and the A366 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 16 December 2025 to 17:00 on 17 December 2025.
Nearest town: 14.81 miles from Calne Marsh.

Location: northbound between the junctions with the A366 and the A4 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 16 December 2025 to 17:00 on 17 December 2025.
Nearest town: 14.74 miles from Calne Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
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 15 December 2025 to 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.43 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 16 December 2025 to 16:00 on 16 December 2025.
Nearest town: 6.21 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 16 December 2025 to 16:00 on 16 December 2025.
Nearest town: 6.27 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
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 17 December 2025 to 19 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.62 miles from Calne Marsh.

Location: northbound between the A303 and the junction with the A350 South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 15 December 2025 to 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.36 miles from Calne Marsh.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 December 2025 to 20 December 2025.
Nearest town: 19.38 miles from Calne Marsh.

Location: southbound between the A350 South and the junction with the A303 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 15 December 2025 to 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.18 miles from Calne Marsh.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 December 2025 to 20 December 2025.
Nearest town: 19.36 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 December 2025 to 20 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 December 2025 to 27 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 29 December 2025 to 3 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 January 2026 to 10 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.41 miles from Calne Marsh.
