Location: westbound between junctions J18 (Bath) and J19 (Bristol) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 17:00 on 10 March 2026.
Nearest town: 18.82 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 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.08 miles from Calne Marsh.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 17:00 on 10 March 2026.
Nearest town: 19.11 miles from Calne Marsh.

Location: westbound between the junctions with the A360 and the A36 .
Lane Closures : Lane one is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 14:00 on 10 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.4 miles from Calne Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.36 miles from Calne Marsh.

Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 21:00 on 17 April 2026.
Nearest town: 14.97 miles from Calne Marsh.

Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 21:00 on 17 April 2026.
Nearest town: 15.05 miles from Calne Marsh.

Location: northbound between the junctions with the A4 and the A420 .
Due to: Roadworks.
Period : expect disruption until 21:00 on 17 April 2026.
Nearest town: 14.94 miles from Calne Marsh.

Location: northbound between the junctions with the A4 and the A420 .
Due to: Roadworks.
Period : expect disruption until 21:00 on 17 April 2026.
Nearest town: 14.95 miles from Calne Marsh.

Location: southbound between the A420 and the junction with the A4 .
Due to: Roadworks scheme.
Period : from 04:00 on 19 January 2026 to 21:00 on 17 April 2026.
Nearest town: 15.05 miles from Calne Marsh.

Location: northbound between the A4 and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 04:00 on 19 January 2026 to 21:00 on 17 April 2026.
Nearest town: 14.94 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 06:00 on 31 March 2026.
Nearest town: 6.1 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 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 10 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.62 miles from Calne Marsh.

Location: eastbound between the junctions with the A360 and the A345 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 19.4 miles from Calne Marsh.

Location: westbound between the junctions with the A345 and the A360 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 19.42 miles from Calne Marsh.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.7 miles from Calne Marsh.

Location: northbound between the M4 and the junction with the A420 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.63 miles from Calne Marsh.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 16 March 2026 to 18:00 on 17 March 2026.
Nearest town: 18.23 miles from Calne Marsh.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 16 March 2026 to 18:00 on 17 March 2026.
Nearest town: 18.24 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 16:00 from 16 March 2026 to 20 March 2026.
Schedule : From 09:00 on 23 March 2026 to 16:00 on 23 March 2026.
Nearest town: 11.44 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 14 March 2026 to 06:00 on 26 March 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 : Expect disruption everyday between 20:00 and 06:00 from 14 March 2026 to 26 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.86 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.14 miles from Calne Marsh.

Location: westbound exit slip at junction J16 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.84 miles from Calne Marsh.

Location: westbound between the junctions with the A363 and the A46 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 16:00 from 12 March 2026 to 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.64 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 12 March 2026 to 17:00 on 12 March 2026.
Nearest town: 6.58 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 12 March 2026 to 17:00 on 12 March 2026.
Nearest town: 6.08 miles from Calne Marsh.

Location: eastbound between the junctions with the A46 and the A363 .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 16:00 on 10 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.44 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 : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 19 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.99 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 : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.37 miles from Calne Marsh.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
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 10 March 2026 to 14 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.9 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
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 10 March 2026 to 14 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.43 miles from Calne Marsh.

Location: southbound between the A420 and the junction with the A4259 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.07 miles from Calne Marsh.

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 10 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.41 miles from Calne Marsh.
