Location: westbound exit slip at junction J15 (Swindon) .
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 23:15 and 23:30 on 23 January 2026.
Normal traffic conditions are expected between 23:15 and 23:30 on 23 January 2026.
Lanes Closed : There are lane closures.
Nearest town: 13.47 miles from Calne Marsh.

Location: southbound between the junctions with the A420 and the A4259 .
Due to: Congestion.
Normal traffic conditions are expected between 22:00 and 22:15 on 23 January 2026.
Nearest town: 14.8 miles from Calne Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 14.85 miles from Calne Marsh.

Location: eastbound between junctions J16 (Swindon) and J14 (Hungerford) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.94 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 05:00 on 24 January 2026 to 05:00 on 30 January 2026.
Nearest town: 7.85 miles from Calne Marsh.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 9.41 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 7.99 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 29 January 2026.
Nearest town: 7.73 miles from Calne Marsh.

Location: northbound between the junctions with the A3098 and the A361 south.
Due to: Roadworks.
Period : expect disruption until 23:59 on 23 January 2026.
Nearest town: 16.9 miles from Calne Marsh.

Location: southbound between the junctions with the A361 South and the A3098 .
Due to: Roadworks.
Period : expect disruption until 23:59 on 23 January 2026.
Nearest town: 16.93 miles from Calne Marsh.

Location: westbound between junctions J18 (Bath) and J19 (Bristol) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 16.96 miles from Calne Marsh.

Location: southbound exit slip to the A4 West.
Due to: Roadworks scheme.
Period : from 20:07 on 19 January 2026 to 06:00 on 7 February 2026.
Nearest town: 14.73 miles from Calne Marsh.

Location: northbound between the A4 and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 20:07 on 19 January 2026 to 06:00 on 7 February 2026.
Nearest town: 14.71 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 06:00 on 21 March 2026.
Nearest town: 15.05 miles from Calne Marsh.

Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 21 March 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 06:00 on 21 March 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 06:00 on 21 March 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 06:00 on 21 March 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 06:00 on 21 March 2026.
Nearest town: 14.95 miles from Calne Marsh.

Location: northbound between the A303 and the junction with the A350 South.
Due to: Roadworks scheme.
Period : from 20:01 on 23 January 2026 to 06:00 on 24 January 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 : From 20:00 on 23 January 2026 to 06:00 on 24 January 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.
Period : expect disruption until 06:00 on 24 January 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.
Period : from 20:02 on 23 January 2026 to 06:00 on 24 January 2026.
Nearest town: 18.18 miles from Calne Marsh.

Location: southbound between the A350 South and the junction with the A303 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.18 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 24 January 2026.
Nearest town: 19.36 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 J16 (Swindon) and J15 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.8 miles from Calne Marsh.

Location: eastbound between the junctions with the A360 and the A345 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 30 January 2026 to 4 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.79 miles from Calne Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.46 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.73 miles from Calne Marsh.

Location: eastbound entry slip at junction J18 (Bath) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.61 miles from Calne Marsh.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.56 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.99 miles from Calne Marsh.

Location: eastbound between junctions J19 (Bristol) and J17 (Chippenham) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Nearest town: 16.56 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 : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.1 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 : From 20:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.62 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 05:00 on 29 January 2026 to 05:00 on 31 January 2026.
Nearest town: 7.73 miles from Calne Marsh.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.69 miles from Calne Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.73 miles from Calne Marsh.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 27 January 2026 to 29 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.69 miles from Calne Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.4 miles from Calne Marsh.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.41 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 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.09 miles from Calne Marsh.

Location: southbound between the A420 and the junction with the A4 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.87 miles from Calne Marsh.

Location: southbound exit slip to the A4 West.
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.73 miles from Calne Marsh.

Location: westbound between the junctions with the A363 and the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.51 miles from Calne Marsh.

Location: northbound entry slip from the A4 West.
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.72 miles from Calne Marsh.

Location: northbound between the A4 and the junction with the A420 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.71 miles from Calne Marsh.

Location: eastbound between the junctions with the A46 and the A363 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.44 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 24 January 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 24 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.62 miles from Calne Marsh.
