Location: southbound at junction J3 .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 28 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.91 miles from Semington.

Location: northbound between the junctions with the A4 and the A420 .
Due to: Congestion.
Normal traffic conditions are expected between 07:45 and 08:00 on 28 January 2026.
Nearest town: 10.19 miles from Semington.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 28 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.07 miles from Semington.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Congestion.
Normal traffic conditions are expected between 07:00 and 07:15 on 28 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.07 miles from Semington.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Emergency roadworks.
Period : expect disruption until 23:59 on 2 February 2026.
Nearest town: 14.53 miles from Semington.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Emergency roadworks.
Period : expect disruption until 23:59 on 2 February 2026.
Nearest town: 14.5 miles from Semington.

Location: southbound between the junctions with the M4 and the A420 .
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Nearest town: 12.23 miles from Semington.

Location: northbound between the junctions with the A420 and the M4 .
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Nearest town: 12.18 miles from Semington.

Location: northbound between junctions J2 (Stapleton) and J1 (Filton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.77 miles from Semington.

Location: eastbound between the A350 and the junction with the A36 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 09:00 on 28 January 2026 to 15:00 on 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.21 miles from Semington.

Location: westbound between the junctions with the A36 and the A350 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 09:00 on 28 January 2026 to 15:00 on 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.02 miles from Semington.

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: 19.26 miles from Semington.

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: 16.72 miles from Semington.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 30 January 2026.
Nearest town: 16.96 miles from Semington.

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: 16.72 miles from Semington.

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: 8.87 miles from Semington.

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: 8.69 miles from Semington.

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: 9.78 miles from Semington.

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: 9.65 miles from Semington.

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: 9.78 miles from Semington.

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: 9.59 miles from Semington.

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: 9.59 miles from Semington.

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: 9.61 miles from Semington.

Location: westbound between the junctions with the A350 and the A371 .
Due to: Emergency Roadside Drains works.
Period : expect disruption until 06:00 on 1 May 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.38 miles from Semington.

Location: eastbound between the junctions with the A371 and the A350 .
Lane Closures : Lane one is closed.
Due to: Emergency Roadside Drains works.
Period : expect disruption until 06:00 on 1 May 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.06 miles from Semington.

Location: westbound between the A350 and the junction with the A371 .
Lane Closures : Lane one is closed.
Due to: Emergency Roadside Drains works.
Period : expect disruption until 06:00 on 1 May 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.41 miles from Semington.

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: 13.51 miles from Semington.

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: 17.4 miles from Semington.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 00:00 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.31 miles from Semington.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 3 February 2026 to 00:00 on 4 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.37 miles from Semington.

Location: westbound entry slip at junction J17 (Chippenham) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 00:00 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.21 miles from Semington.

Location: westbound exit slip at junction J18 (Bath) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 00:00 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.67 miles from Semington.

Location: westbound entry slip at Leigh Delamere Services.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 00:00 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.82 miles from Semington.

Location: westbound exit slip at Leigh Delamere Services.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 00:00 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.9 miles from Semington.

Location: northbound between the junctions with the A303 and the A350 South.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 3 February 2026 to 06:00 on 4 February 2026.
Nearest town: 13.47 miles from Semington.

Location: southbound between the junctions with the A350 South and the A303 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 3 February 2026 to 06:00 on 4 February 2026.
Nearest town: 13.32 miles from Semington.

Location: northbound between the junctions with the A30 West and the A303 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:00 from 2 February 2026 to 4 February 2026.
Nearest town: 18.19 miles from Semington.

Location: southbound between the junctions with the A303 and the A30 West.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:00 from 2 February 2026 to 4 February 2026.
Nearest town: 18.17 miles from Semington.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 2 February 2026 to 06:00 on 4 February 2026.
Nearest town: 16.94 miles from Semington.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 3 February 2026 to 06:00 on 4 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.94 miles from Semington.

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 2 February 2026 to 06:00 on 3 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.94 miles from Semington.

Location: eastbound between the junctions with the A36 and the A360 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 9 February 2026 to 14 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.34 miles from Semington.

Location: westbound between the junctions with the A360 and the A36 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 9 February 2026 to 14 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.72 miles from Semington.

Location: southbound between the junctions with the A4 and the A366 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 10:00 on 2 February 2026 to 13:00 on 2 February 2026.
Nearest town: 7.7 miles from Semington.

Location: northbound between the junctions with the A366 and the A4 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 10:00 on 2 February 2026 to 13:00 on 2 February 2026.
Nearest town: 7.65 miles from Semington.

Location: westbound between the junctions with the A345 and the A360 .
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 Semington.

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: 18.72 miles from Semington.

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: 16.72 miles from Semington.

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: 13.94 miles from Semington.

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: 14.4 miles from Semington.

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: 17.16 miles from Semington.

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: 14.4 miles from Semington.

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: 14.19 miles from Semington.

Location: westbound between junctions J19 (Bristol) and J20 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.57 miles from Semington.

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: 13.22 miles from Semington.

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: 16.72 miles from Semington.

Location: southbound between the A420 and the junction with the A4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 27 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12 miles from Semington.

Location: southbound exit slip to the A4 West.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.87 miles from Semington.

Location: westbound between the junctions with the A363 and the A46 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.41 miles from Semington.

Location: northbound entry slip from the A4 West.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.71 miles from Semington.

Location: northbound between the A4 and the junction with the A420 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 27 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.69 miles from Semington.

Location: eastbound between the junctions with the A46 and the A363 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.35 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 28 January 2026 to 29 January 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 2 February 2026 to 5 February 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 9 February 2026 to 12 February 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 16 February 2026 to 19 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.48 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 28 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 14 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 February 2026 to 21 February 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 28 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 14 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 February 2026 to 21 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.22 miles from Semington.
