Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 6.82 miles from Knockdown.

Location: northbound between the junctions with the A366 and the A4 .
Due to: Roadworks.
Period : expect disruption until 23:59 on 18 June 2026.
Nearest town: 14.23 miles from Knockdown.

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Lane Closures : The hard shoulder is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 5 December 2026.
Nearest town: 11.42 miles from Knockdown.

Location: westbound exit slip at junction J18 (Bath) .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.33 miles from Knockdown.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane one is closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 6.95 miles from Knockdown.

Location: eastbound entry slip at junction J18 (Bath) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2026 to 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.51 miles from Knockdown.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2026 to 18 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.3 miles from Knockdown.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 June 2026 to 06:00 on 18 June 2026.
Nearest town: 8.3 miles from Knockdown.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 22 June 2026 to 26 June 2026.
Nearest town: 6.03 miles from Knockdown.

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 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 5.72 miles from Knockdown.

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 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 5.94 miles from Knockdown.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 16 June 2026 to 19 June 2026.
Nearest town: 7.8 miles from Knockdown.

Location: southbound between the junctions with the M4 and the A420 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 8.33 miles from Knockdown.

Location: northbound between the junctions with the A420 and the M4 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 16 June 2026.
Nearest town: 9.81 miles from Knockdown.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2026 to 18 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.9 miles from Knockdown.
