Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 May 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.97 miles from Alton Barnes.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 May 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.65 miles from Alton Barnes.

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: 13.71 miles from Alton Barnes.

Location: eastbound between the junctions with the A360 and the A345 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 21 May 2026 to 03:00 on 22 May 2026.
Nearest town: 12.53 miles from Alton Barnes.

Location: westbound between the junctions with the A345 and the A360 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 21 May 2026 to 03:00 on 22 May 2026.
Nearest town: 12.56 miles from Alton Barnes.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 21 May 2026 to 17:00 on 21 May 2026.
Nearest town: 13.75 miles from Alton Barnes.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 20 May 2026 to 17:00 on 20 May 2026.
Nearest town: 12.92 miles from Alton Barnes.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 20 May 2026 to 17:00 on 20 May 2026.
Nearest town: 12.79 miles from Alton Barnes.

Location: eastbound between the junctions with the A360 and the A345 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 19 May 2026 to 07:00 on 20 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.58 miles from Alton Barnes.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 19 May 2026 to 17:00 on 19 May 2026.
Nearest town: 12.75 miles from Alton Barnes.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 19 May 2026 to 17:00 on 19 May 2026.
Nearest town: 12.75 miles from Alton Barnes.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 18 May 2026 to 17:00 on 18 May 2026.
Nearest town: 12.85 miles from Alton Barnes.
