Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.18 miles from Westwell.

Location: southbound between the junctions with the A44 and the A420 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.52 miles from Westwell.

Location: southbound between the A417 and the junction with the A361 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 8 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.24 miles from Westwell.

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: 19.79 miles from Westwell.

Location: northbound between the A419 and the junction with the A436 .
Due to: Roadworks scheme.
Period : from 17:01 on 2 July 2024 to 06:00 on 17 April 2026.
Nearest town: 16.95 miles from Westwell.

Location: northbound between the junctions with the A419 and the A436 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Nearest town: 16.96 miles from Westwell.

Location: southbound between the A436 and the junction with the A419 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Nearest town: 17.06 miles from Westwell.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks scheme.
Period : from 09:14 on 3 February 2025 to 06:00 on 17 April 2026.
Nearest town: 18.07 miles from Westwell.

Location: northbound between the junctions with the A436 and the A46 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.99 miles from Westwell.

Location: northbound between the junctions with the A419 and the A436 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.95 miles from Westwell.

Location: southbound between the A436 and the junction with the A419 .
Due to: Roadworks scheme.
Period : from 17:01 on 2 July 2024 to 06:00 on 17 April 2026.
Nearest town: 17.06 miles from Westwell.

Location: northbound between the junctions with the A436 and the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Nearest town: 18.07 miles from Westwell.

Location: southbound between the junctions with the A46 and the A436 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Nearest town: 18.88 miles from Westwell.

Location: southbound between the A415 and the junction with the A4130 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.5 miles from Westwell.

Location: southbound exit slip to the A4130 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.9 miles from Westwell.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.18 miles from Westwell.

Location: northbound between the junctions with the A415 and the A4183 south of Kennington.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 December 2025 to 10 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.03 miles from Westwell.

Location: southbound entry slip from the A423 north of Kennington.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.64 miles from Westwell.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.06 miles from Westwell.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.06 miles from Westwell.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.96 miles from Westwell.

Location: northbound between the A44 and the junction with the M40 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.43 miles from Westwell.

Location: southbound between the junctions with the A423 north of Kennington and the A415 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.03 miles from Westwell.

Location: southbound exit slip to the A4183 south of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.92 miles from Westwell.

Location: southbound between the junctions with the A44 and the A420 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.7 miles from Westwell.
