Location: northbound between the junctions with the A366 and the A4 .
Due to: Congestion.
Normal traffic conditions are expected between 14:45 and 15:00 on 25 May 2026.
Nearest town: 7.73 miles from Semington.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Roadworks.
Period : expect disruption until 06:00 on 2 June 2026.
Nearest town: 13.23 miles from Semington.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 2 June 2026.
Nearest town: 13.07 miles from Semington.

Location: northbound between the junctions with the A366 and the A4 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 June 2026.
Nearest town: 6.81 miles from Semington.

Location: southbound between the junctions with the A4 and the A366 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 June 2026.
Nearest town: 6.8 miles from Semington.

Location: northbound between the junctions with the A366 and the A4 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 9 June 2026.
Nearest town: 7.4 miles from Semington.

Location: southbound between the junctions with the A4 and the A366 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 9 June 2026.
Nearest town: 7.6 miles from Semington.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 08:00 on 1 June 2026 to 16:00 on 1 June 2026.
Nearest town: 13.56 miles from Semington.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 29 May 2026 to 06:00 on 30 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 June 2026 to 3 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.32 miles from Semington.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 26 May 2026 to 19:00 on 28 May 2026.
Nearest town: 13.18 miles from Semington.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 26 May 2026 to 19:00 on 28 May 2026.
Nearest town: 13.15 miles from Semington.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 26 May 2026 to 06:00 on 27 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.15 miles from Semington.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 27 May 2026 to 17:00 on 27 May 2026.
Nearest town: 12.35 miles from Semington.

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 26 May 2026 to 06:00 on 27 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.59 miles from Semington.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 26 May 2026 to 06:00 on 27 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.39 miles from Semington.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 27 May 2026 to 17:00 on 27 May 2026.
Nearest town: 12.4 miles from Semington.

Location: westbound exit slip at junction J17 (Chippenham) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 26 May 2026 to 06:00 on 27 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.32 miles from Semington.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 May 2026 to 06:00 on 26 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 27 May 2026 to 29 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.49 miles from Semington.

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 25 May 2026 to 30 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 June 2026 to 6 June 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 June 2026 to 13 June 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 June 2026 to 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.22 miles from Semington.

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 25 May 2026 to 30 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 June 2026 to 6 June 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 June 2026 to 13 June 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 June 2026 to 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.22 miles from Semington.

Location: westbound between the junctions with the A36 and the A350 .
Lane Closures : Lane one will be closed.
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 26 May 2026 to 28 May 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 1 June 2026 to 4 June 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 8 June 2026 to 11 June 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 15 June 2026 to 18 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.48 miles from Semington.
