Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.55 miles from Great Barrington.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.63 miles from Great Barrington.

Location: southbound between the A436 and the junction with the A419 .
Due to: Roadworks scheme.
Period : from 12:23 on 23 April 2026 to 23:59 on 12 June 2026.
Nearest town: 16.16 miles from Great Barrington.

Location: southbound between the junctions with the A436 and the A419 .
Due to: Roadworks.
Period : from 12:23 on 23 April 2026 to 23:59 on 12 June 2026.
Nearest town: 16.04 miles from Great Barrington.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.7 miles from Great Barrington.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks scheme.
Period : from 21:07 on 27 April 2026 to 06:00 on 29 May 2026.
Nearest town: 17.01 miles from Great Barrington.

Location: southbound between the A46 and the junction with the A436 .
Due to: Roadworks scheme.
Period : from 21:05 on 27 April 2026 to 06:00 on 29 May 2026.
Nearest town: 19.06 miles from Great Barrington.

Location: northbound between the junctions with the A436 and the A46 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 29 May 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.96 miles from Great Barrington.

Location: southbound entry slip from the A423 north of Kennington.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.88 miles from Great Barrington.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 5 May 2026 to 17:00 on 5 May 2026.
Nearest town: 19.78 miles from Great Barrington.

Location: westbound entry slip at junction J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 5 May 2026 to 17:00 on 5 May 2026.
Nearest town: 19.93 miles from Great Barrington.

Location: southbound between the junctions with the A436 and the A419 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 April 2026 to 2 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.65 miles from Great Barrington.

Location: northbound between the junctions with the A419 and the A436 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 April 2026 to 2 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.3 miles from Great Barrington.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.01 miles from Great Barrington.

Location: northbound exit slip to the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.71 miles from Great Barrington.

Location: southbound between the A46 and the junction with the A436 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.96 miles from Great Barrington.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.01 miles from Great Barrington.

Location: southbound entry slip from the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.84 miles from Great Barrington.

Location: southbound between the A46 and the junction with the A436 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.06 miles from Great Barrington.
