Location: southbound between the junctions with the A4 and the A366 .
Due to: Congestion.
Normal traffic conditions are expected between 22:30 and 22:45 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.01 miles from Thornend.

Location: southbound between junctions J14 (Dursley) and J15 (Almondsbury) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.75 miles from Thornend.

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.71 miles from Thornend.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 11.16 miles from Thornend.

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 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 8.33 miles from Thornend.

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: 14.3 miles from Thornend.

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: 14.34 miles from Thornend.

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: 14.29 miles from Thornend.

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: 14.29 miles from Thornend.

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.8 miles from Thornend.

Location: southbound between the A420 and the junction with the A4259 .
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.31 miles from Thornend.

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: 14.34 miles from Thornend.

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: 14.29 miles from Thornend.

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: 1.43 miles from Thornend.

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: 5.71 miles from Thornend.

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 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 1.95 miles from Thornend.

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 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.09 miles from Thornend.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.45 miles from Thornend.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.23 miles from Thornend.

Location: eastbound exit slip at junction J18 (Bath) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.63 miles from Thornend.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.63 miles from Thornend.

Location: eastbound between junctions J19 (Bristol) and J17 (Chippenham) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Nearest town: 16.23 miles from Thornend.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.26 miles from Thornend.

Location: northbound between the A419 and the junction with the A436 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.13 miles from Thornend.

Location: westbound at junction J18 (Bath) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.88 miles from Thornend.

Location: eastbound at junction J18 (Bath) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.63 miles from Thornend.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.45 miles from Thornend.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.81 miles from Thornend.

Location: northbound between the A361 and the junction with the A417 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.48 miles from Thornend.

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 00:00 on 20 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.79 miles from Thornend.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.24 miles from Thornend.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.42 miles from Thornend.

Location: southbound between the junctions with the A420 and the A4259 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.53 miles from Thornend.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.98 miles from Thornend.

Location: southbound between the A420 and the junction with the A4259 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 18 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.35 miles from Thornend.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.23 miles from Thornend.

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.71 miles from Thornend.

Location: southbound between the A417 and the junction with the A361 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.05 miles from Thornend.

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: 15.79 miles from Thornend.

Location: northbound between the A419 and the junction with the A436 .
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: 16.13 miles from Thornend.

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: 13.96 miles from Thornend.

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: 11.22 miles from Thornend.

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 16 March 2026 to 20 March 2026.
Nearest town: 19.8 miles from Thornend.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 3.59 miles from Thornend.

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 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.56 miles from Thornend.

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 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.83 miles from Thornend.
