Location: northbound between the A4 and the junction with the A420 .
Due to: Congestion.
Normal traffic conditions are expected between 07:30 and 07:45 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.13 miles from Calne.

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 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.63 miles from Calne.

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: 11.35 miles from Calne.

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: 11.75 miles from Calne.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.3 miles from Calne.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 17:00 on 29 April 2026.
Nearest town: 11.7 miles from Calne.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 17:00 on 29 April 2026.
Nearest town: 11.94 miles from Calne.

Location: westbound between the A360 and the junction with the A36 .
Due to: Roadworks scheme.
Period : from 20:09 on 28 April 2026 to 06:00 on 29 April 2026.
Nearest town: 19.91 miles from Calne.

Location: westbound between the A360 and the junction with the A36 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.91 miles from Calne.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Due to: Roadworks scheme.
Period : from 08:00 on 28 April 2026 to 16:00 on 11 May 2026.
Nearest town: 11.91 miles from Calne.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 6 May 2026 to 17:00 on 6 May 2026.
Nearest town: 9.27 miles from Calne.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 6 May 2026 to 17:00 on 6 May 2026.
Nearest town: 9.44 miles from Calne.

Location: northbound between the junctions with the A366 and the A4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 06:00 on 6 May 2026 to 06:00 on 24 June 2026.
Nearest town: 14.34 miles from Calne.

Location: southbound between the junctions with the A4 and the A366 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 06:00 on 6 May 2026 to 06:00 on 24 June 2026.
Nearest town: 14.26 miles from Calne.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 May 2026 to 9 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.53 miles from Calne.

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: 9.74 miles from Calne.

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: 9.74 miles from Calne.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 29 April 2026 to 30 April 2026.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 4 May 2026 to 5 May 2026.
Schedule : From 08:00 on 11 May 2026 to 16:00 on 11 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.91 miles from Calne.

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 29 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 4 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 23 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.28 miles from Calne.

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 29 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 4 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 23 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.49 miles from Calne.
