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 29 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.11 miles from Harnhill.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.81 miles from Harnhill.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.27 miles from Harnhill.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 18.64 miles from Harnhill.

Location: southbound between the A436 and the junction with the A419 .
Due to: Roadworks scheme.
Period : from 12:23 on 23 April 2026 to 23:59 on 12 June 2026.
Nearest town: 11.33 miles from Harnhill.

Location: southbound between the junctions with the A436 and the A419 .
Due to: Roadworks.
Period : from 12:23 on 23 April 2026 to 23:59 on 12 June 2026.
Nearest town: 11.22 miles from Harnhill.

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.63 miles from Harnhill.

Location: The junction of the M5 J12 (Gloucester) and the A38 .
Due to: Roadworks scheme.
Period : from 20:54 on 28 April 2026 to 06:00 on 8 May 2026.
Nearest town: 18.04 miles from Harnhill.

Location: The junction of the M5 J12 (Gloucester) and the A38 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.04 miles from Harnhill.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Due to: Roadworks scheme.
Period : from 08:00 on 28 April 2026 to 16:00 on 11 May 2026.
Nearest town: 19.6 miles from Harnhill.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.46 miles from Harnhill.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks scheme.
Period : from 21:07 on 27 April 2026 to 06:00 on 29 May 2026.
Nearest town: 13.05 miles from Harnhill.

Location: southbound between the A46 and the junction with the A436 .
Due to: Roadworks scheme.
Period : from 21:05 on 27 April 2026 to 06:00 on 29 May 2026.
Nearest town: 14.78 miles from Harnhill.

Location: northbound between the junctions with the A436 and the A46 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 29 May 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.56 miles from Harnhill.

Location: northbound entry slip at junction J12 (Gloucester) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 8 May 2026.
Nearest town: 18.04 miles from Harnhill.

Location: northbound entry slip at junction J12 (Gloucester) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 8 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.01 miles from Harnhill.

Location: northbound entry slip at junction J12 (Gloucester) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 8 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.04 miles from Harnhill.

Location: northbound between junctions J13 (Stroud) and J11A (Gloucester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 8 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.21 miles from Harnhill.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 5 May 2026 to 17:00 on 5 May 2026.
Nearest town: 10.46 miles from Harnhill.

Location: westbound entry slip at junction J16 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 5 May 2026 to 17:00 on 5 May 2026.
Nearest town: 10.81 miles from Harnhill.

Location: southbound between the junctions with the A436 and the A419 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 April 2026 to 2 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.45 miles from Harnhill.

Location: northbound between the junctions with the A419 and the A436 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 April 2026 to 2 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.62 miles from Harnhill.

Location: northbound exit slip at junction J12 (Gloucester) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.02 miles from Harnhill.

Location: northbound between junctions J13 (Stroud) and J11A (Gloucester) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 18.21 miles from Harnhill.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 29 April 2026 to 30 April 2026.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 4 May 2026 to 5 May 2026.
Schedule : From 08:00 on 11 May 2026 to 16:00 on 11 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.6 miles from Harnhill.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.05 miles from Harnhill.

Location: northbound exit slip to the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.39 miles from Harnhill.

Location: southbound between the A46 and the junction with the A436 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.57 miles from Harnhill.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.05 miles from Harnhill.

Location: southbound entry slip from the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.57 miles from Harnhill.

Location: southbound between the A46 and the junction with the A436 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.78 miles from Harnhill.
