Location: eastbound exit slip at junction J15 (Swindon) .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 31 May 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 4.35 miles from South Marston.

Location: eastbound exit slip at junction J15 (Swindon) .
Due to: Congestion.
Normal traffic conditions are expected between 16:15 and 16:30 on 31 May 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 4.35 miles from South Marston.

Location: southbound entry slip from the A415 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.67 miles from South Marston.

Location: northbound between the A4185 and the junction with the A4130 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.48 miles from South Marston.

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 00:00 on 30 July 2025.
Nearest town: 9.44 miles from South Marston.

Location: southbound between the junctions with the A415 and the A4130 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 3 June 2025 to 06:00 on 4 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.98 miles from South Marston.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 5 June 2025 to 06:00 on 6 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.22 miles from South Marston.

Location: southbound between the A417 and the junction with the A361 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 4 June 2025 to 7 June 2025.
Schedule : From 20:00 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.36 miles from South Marston.

Location: northbound between the M4 and the junction with the A420 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 June 2025 to 7 June 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 June 2025 to 15 June 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 June 2025 to 21 June 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 June 2025 to 26 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 3.97 miles from South Marston.

Location: southbound between the A361 and the junction with the A4259 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 June 2025 to 7 June 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 June 2025 to 21 June 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 June 2025 to 26 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 0.76 miles from South Marston.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 3 June 2025 to 05:00 on 4 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.37 miles from South Marston.

Location: westbound exit slip at junction J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 3 June 2025 to 6 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.42 miles from South Marston.

Location: eastbound exit slip at junction J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 6 June 2025 to 06:00 on 7 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.77 miles from South Marston.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 June 2025 to 06:00 on 3 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.68 miles from South Marston.

Location: eastbound at junction J16 (Swindon) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 June 2025 to 06:00 on 3 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 6.42 miles from South Marston.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 June 2025 to 06:00 on 3 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 6.22 miles from South Marston.

Location: eastbound exit slip at junction J15 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 June 2025 to 06:00 on 3 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 4.34 miles from South Marston.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 2 June 2025 to 05:00 on 3 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.36 miles from South Marston.

Location: southbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 2 June 2025 to 06:00 on 3 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.26 miles from South Marston.

Location: southbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 2 June 2025 to 06:00 on 3 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.65 miles from South Marston.

Location: southbound between the A417 and the junction with the A361 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 June 2025 to 4 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.36 miles from South Marston.

Location: southbound between the junctions with the A436 and the A419 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 June 2025 to 4 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.5 miles from South Marston.

Location: southbound between the A4183 south of Kennington and the junction with the A4130 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.89 miles from South Marston.

Location: northbound between the A4130 and the junction with the A415 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.26 miles from South Marston.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 1 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 5.99 miles from South Marston.

Location: southbound entry slip from the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 September 2025 to 30 September 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.35 miles from South Marston.

Location: southbound between the A415 and the junction with the M4 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 28 September 2025 to 06:00 on 30 September 2025.
Nearest town: 18.22 miles from South Marston.

Location: southbound between the A415 and the junction with the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 September 2025 to 30 September 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.22 miles from South Marston.

Location: southbound exit slip to the A4185 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 September 2025 to 30 September 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.63 miles from South Marston.
