Location: westbound exit slip at junction J16 (Swindon) .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.84 miles from Calne Marsh.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 27 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.7 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 9.79 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Due to: Roadworks scheme.
Period : from 08:00 on 22 April 2026 to 16:00 on 27 April 2026.
Nearest town: 9.8 miles from Calne Marsh.

Location: northbound between the A366 and the junction with the A4 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 May 2026.
Nearest town: 14.13 miles from Calne Marsh.

Location: southbound between the A4 and the junction with the A366 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 May 2026.
Nearest town: 14.05 miles from Calne Marsh.

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: 14 miles from Calne Marsh.

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: 14.01 miles from Calne Marsh.

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: 8.17 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.75 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.82 miles from Calne Marsh.

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 1 May 2026 to 06:00 on 2 May 2026.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.65 miles from Calne Marsh.

Location: eastbound exit slip at junction J15 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.16 miles from Calne Marsh.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.42 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 1 May 2026 to 17:00 on 1 May 2026.
Nearest town: 10.38 miles from Calne Marsh.

Location: eastbound between the junctions with the A36 and the A360 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Nearest town: 19.25 miles from Calne Marsh.

Location: westbound between the junctions with the A360 and the A36 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Nearest town: 19.24 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.27 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.96 miles from Calne Marsh.

Location: westbound entry slip at junction J16 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.7 miles from Calne Marsh.

Location: westbound exit slip at junction J16 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.84 miles from Calne Marsh.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.04 miles from Calne Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks 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 two of three lanes closed.
Nearest town: 16.47 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 30 April 2026 to 17:00 on 30 April 2026.
Nearest town: 11.41 miles from Calne Marsh.

Location: eastbound between junctions J18 (Bath) 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: 10.54 miles from Calne Marsh.

Location: northbound between the A303 and the junction with the A350 South.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 6 May 2026.
Nearest town: 19.38 miles from Calne Marsh.

Location: northbound between the A303 and the junction with the A350 South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 29 April 2026 to 4 May 2026.
Schedule : From 20:30 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.36 miles from Calne Marsh.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 29 April 2026 to 4 May 2026.
Schedule : From 20:00 on 5 May 2026 to 06:00 on 6 May 2026.
Nearest town: 19.38 miles from Calne Marsh.

Location: southbound between the A350 South and the junction with the A303 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 6 May 2026.
Nearest town: 18.18 miles from Calne Marsh.

Location: southbound between the A350 South and the junction with the A303 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 29 April 2026 to 4 May 2026.
Schedule : From 20:30 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.18 miles from Calne Marsh.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 29 April 2026 to 4 May 2026.
Schedule : From 20:00 on 5 May 2026 to 06:00 on 6 May 2026.
Nearest town: 19.36 miles from Calne Marsh.

Location: northbound between the junctions with the A361 North and the A366 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 29 April 2026 to 15:30 on 29 April 2026.
Nearest town: 16.84 miles from Calne Marsh.

Location: southbound between the junctions with the A366 and the A361 North.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 29 April 2026 to 15:30 on 29 April 2026.
Nearest town: 16.79 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 29 April 2026 to 17:00 on 29 April 2026.
Nearest town: 11.62 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 29 April 2026 to 17:00 on 29 April 2026.
Nearest town: 11.86 miles from Calne Marsh.

Location: westbound between the A360 and the junction with the A36 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Nearest town: 19.86 miles from Calne Marsh.

Location: westbound between the A360 and the junction with the A36 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.86 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 08:00 on 28 April 2026 to 16:00 on 11 May 2026.
Nearest town: 12.04 miles from Calne Marsh.

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 28 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: 12.04 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 8 May 2026 to 17:00 on 8 May 2026.
Nearest town: 12.04 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 28 April 2026 to 17:00 on 28 April 2026.
Nearest town: 12.02 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 28 April 2026 to 17:00 on 28 April 2026.
Nearest town: 12.43 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 27 April 2026 to 29 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.79 miles from Calne Marsh.

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 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.38 miles from Calne Marsh.

Location: eastbound exit slip at junction J16 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 27 April 2026 to 23:59 on 27 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.71 miles from Calne Marsh.

Location: westbound exit slip at junction J16 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 27 April 2026 to 23:59 on 27 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.84 miles from Calne Marsh.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 27 April 2026 to 08:00 on 28 April 2026.
Nearest town: 20 miles from Calne Marsh.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 27 April 2026 to 08:00 on 28 April 2026.
Nearest town: 19.97 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 27 April 2026 to 17:00 on 27 April 2026.
Nearest town: 13.11 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 27 April 2026 to 17:00 on 27 April 2026.
Nearest town: 12.66 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 27 April 2026 to 16:00 on 27 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.8 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.62 miles from Calne Marsh.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Roadworks.
Period : expect disruption until 06:00 on 22 May 2026.
Nearest town: 19.41 miles from Calne Marsh.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 22 May 2026.
Nearest town: 19.31 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane three is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.41 miles from Calne Marsh.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane three is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.62 miles from Calne Marsh.
