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: southbound between the junctions with the A361 South and the A3098 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 13 December 2025.
Nearest town: 19.24 miles from Thornend.

Location: northbound between the junctions with the A3098 and the A361 south.
Due to: Roadworks.
Period : expect disruption until 07:00 on 13 December 2025.
Nearest town: 19.41 miles from Thornend.

Location: southbound between the A417 and the junction with the A361 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.05 miles from Thornend.

Location: eastbound entry slip at junction J18 (Bath) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 13.09 miles from Thornend.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 14.33 miles from Thornend.

Location: eastbound exit slip at junction J18 (Bath) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There is one of two 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 12 December 2025 to 06:00 on 13 December 2025.
Nearest town: 14.33 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 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.63 miles from Thornend.

Location: westbound between the junctions with the A363 and the A46 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.3 miles from Thornend.

Location: eastbound between the junctions with the A46 and the A363 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.68 miles from Thornend.

Location: southbound between the A420 and the junction with the A4 .
Due to: Roadworks scheme.
Period : from 02:00 on 2 December 2025 to 05:00 on 20 December 2025.
Nearest town: 14.34 miles from Thornend.

Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
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 05:00 on 20 December 2025.
Nearest town: 14.34 miles from Thornend.

Location: northbound between the A4 and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 02:00 on 2 December 2025 to 05:00 on 20 December 2025.
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 05:00 on 20 December 2025.
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 05:00 on 20 December 2025.
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 18:00 on 31 July 2026.
Nearest town: 5.71 miles from Thornend.

Location: eastbound between junctions J15 (Swindon) and J14 (Hungerford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.92 miles from Thornend.

Location: westbound between junctions J15 (Swindon) and J17 (Chippenham) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.91 miles from Thornend.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
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 16 December 2025 to 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 4.8 miles from Thornend.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
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 16 December 2025 to 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 5.42 miles from Thornend.

Location: northbound between the A4311 and the junction with the A417 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.15 miles from Thornend.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 18 December 2025 to 00:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.47 miles from Thornend.

Location: eastbound between junctions J16 (Swindon) and J14 (Hungerford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 18 December 2025 to 00:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.31 miles from Thornend.

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.79 miles from Thornend.

Location: southbound exit slip at Michael Wood Services.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Nearest town: 19.54 miles from Thornend.

Location: southbound exit slip at Michael Wood Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.54 miles from Thornend.

Location: southbound entry slip at Michael Wood Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.71 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 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.79 miles from Thornend.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 17 December 2025 to 16:00 on 17 December 2025.
Nearest town: 3.31 miles from Thornend.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 17 December 2025 to 16:00 on 17 December 2025.
Nearest town: 3.47 miles from Thornend.

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.79 miles from Thornend.

Location: southbound between the junctions with the A4 and the A366 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 16 December 2025 to 17:00 on 17 December 2025.
Nearest town: 14.69 miles from Thornend.

Location: northbound between the junctions with the A366 and the A4 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 16 December 2025 to 17:00 on 17 December 2025.
Nearest town: 14.62 miles from Thornend.

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 15 December 2025 to 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.58 miles from Thornend.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 16 December 2025 to 16:00 on 16 December 2025.
Nearest town: 1.67 miles from Thornend.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 16 December 2025 to 16:00 on 16 December 2025.
Nearest town: 1.82 miles from Thornend.

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 : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.2 miles from Thornend.

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 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.11 miles from Thornend.

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.79 miles from Thornend.

Location: westbound at junction J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 3.28 miles from Thornend.

Location: westbound entry slip at junction J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 3.47 miles from Thornend.

Location: westbound exit slip at junction J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 3.28 miles from Thornend.

Location: northbound between the A419 and the junction with the A436 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 20:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.13 miles from Thornend.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 20:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.81 miles from Thornend.

Location: southbound.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.33 miles from Thornend.

Location: southbound between the A436 and the junction with the A429 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.48 miles from Thornend.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 5.42 miles from Thornend.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 December 2025 to 19 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.52 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 13 December 2025.
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 13 December 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.83 miles from Thornend.
