Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Emergency road repairs.
Period : from 22:09 on 23 January 2026 to 01:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.19 miles from Twyn y Sheriff.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two is closed.
Due to: Emergency road repairs.
Period : from 22:11 on 23 January 2026 to 01:00 on 24 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.09 miles from Twyn y Sheriff.

Location: northbound exit slip at junction J18A (South Wales) .
Due to: Roadworks.
Period : from 21:42 on 23 January 2026 to 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.42 miles from Twyn y Sheriff.

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:00 on 24 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.15 miles from Twyn y Sheriff.

Location: northbound between the A4137 and the junction with the A466 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 24 January 2026.
Nearest town: 15.94 miles from Twyn y Sheriff.

Location: southbound between the A466 and the junction with the A4137 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 24 January 2026.
Nearest town: 18.02 miles from Twyn y Sheriff.

Location: northbound between the junctions with the M5 and the M4 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.25 miles from Twyn y Sheriff.

Location: northbound between junctions J19 (Portishead) and J18A (South Wales) .
Due to: Roadworks scheme.
Period : from 22:00 on 23 January 2026 to 06:00 on 24 January 2026.
Nearest town: 19.23 miles from Twyn y Sheriff.

Location: northbound exit slip at junction J18A (South Wales) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.49 miles from Twyn y Sheriff.

Location: northbound at junction J18A (South Wales) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.5 miles from Twyn y Sheriff.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.23 miles from Twyn y Sheriff.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 09:00 on 24 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.38 miles from Twyn y Sheriff.

Location: northbound at junction J19 (Portishead) .
Due to: Roadworks.
Period : expect disruption until 09:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.39 miles from Twyn y Sheriff.

Location: southbound between the junctions with the A4137 and the A40 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 17 December 2026.
Nearest town: 16.24 miles from Twyn y Sheriff.

Location: northbound between the junctions with the A40 and the A4137 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 17 December 2026.
Nearest town: 16.36 miles from Twyn y Sheriff.

Location: westbound between the A49 and the junction with the A466 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 February 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.1 miles from Twyn y Sheriff.

Location: westbound.
Due to: Roadworks scheme.
Period : from 16:03 on 17 November 2025 to 06:00 on 28 February 2026.
Nearest town: 13.1 miles from Twyn y Sheriff.

Location: southbound between the M4 and the junction with the M5 .
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.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.93 miles from Twyn y Sheriff.

Location: southbound exit slip at junction J18 (Bristol) .
Lane Closures : Lanes 1, 2 and 3 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.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.6 miles from Twyn y Sheriff.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 4 February 2026.
Nearest town: 18.31 miles from Twyn y Sheriff.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .
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.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.31 miles from Twyn y Sheriff.

Location: southbound exit slip at junction J18 (Bristol) .
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.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.39 miles from Twyn y Sheriff.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 2 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.02 miles from Twyn y Sheriff.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 2 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.1 miles from Twyn y Sheriff.

Location: eastbound between junctions J4 (S.
Wales) and J2 (Hereford) .
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 26 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.59 miles from Twyn y Sheriff.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 January 2026 to 31 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.38 miles from Twyn y Sheriff.

Location: northbound at junction J19 (Portishead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 January 2026 to 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.39 miles from Twyn y Sheriff.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 29 January 2026 to 06:00 on 30 January 2026.
Nearest town: 19.43 miles from Twyn y Sheriff.

Location: northbound at junction J19 (Portishead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.36 miles from Twyn y Sheriff.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
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: 19.43 miles from Twyn y Sheriff.

Location: southbound exit slip at junction J14 (Dursley) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.34 miles from Twyn y Sheriff.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.91 miles from Twyn y Sheriff.

Location: westbound between junctions J20 (Bristol) and J21 (Chepstow) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.81 miles from Twyn y Sheriff.

Location: westbound between junctions J21 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 21:00 from 28 January 2026 to 29 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.28 miles from Twyn y Sheriff.

Location: northbound between the junctions with the M5 and the M4 .
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 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.2 miles from Twyn y Sheriff.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.68 miles from Twyn y Sheriff.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.47 miles from Twyn y Sheriff.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 28 January 2026 to 06:00 on 29 January 2026.
Nearest town: 18.27 miles from Twyn y Sheriff.

Location: southbound at junction J18 (Bristol) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.41 miles from Twyn y Sheriff.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .
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: 18.27 miles from Twyn y Sheriff.

Location: westbound between junctions J21 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.31 miles from Twyn y Sheriff.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.45 miles from Twyn y Sheriff.

Location: northbound between the junctions with the M5 and the M4 .
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 26 January 2026 to 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.26 miles from Twyn y Sheriff.

Location: southbound between junctions J16 (Thornbury) and J17 (Bristol West) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 26 January 2026 to 06:00 on 28 January 2026.
Nearest town: 18.5 miles from Twyn y Sheriff.

Location: southbound between junctions J16 (Thornbury) and J17 (Bristol West) .
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 26 January 2026 to 28 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.5 miles from Twyn y Sheriff.

Location: southbound exit slip at junction J17 (Bristol West) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 26 January 2026 to 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.53 miles from Twyn y Sheriff.

Location: southbound between the A4137 and the junction with the A40 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 26 January 2026 to 30 January 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 2 February 2026 to 6 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 9 February 2026 to 13 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 16 February 2026 to 20 February 2026.
Nearest town: 15.49 miles from Twyn y Sheriff.

Location: northbound between the A40 and the junction with the A4137 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 26 January 2026 to 30 January 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 2 February 2026 to 6 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 9 February 2026 to 13 February 2026.
Schedule : Expect disruption everyday between 09:00 and 18:00 from 16 February 2026 to 20 February 2026.
Nearest town: 16.72 miles from Twyn y Sheriff.

Location: eastbound at junction J22 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 January 2026 to 01:00 on 26 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.74 miles from Twyn y Sheriff.

Location: westbound at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 January 2026 to 01:00 on 26 January 2026.
Nearest town: 14.79 miles from Twyn y Sheriff.

Location: eastbound between junctions J4 (S.
Wales) and J2 (Hereford) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 26 January 2026 to 06:00 on 15 April 2026.
Nearest town: 18.59 miles from Twyn y Sheriff.

Location: southbound at junction J18 (Bristol) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.48 miles from Twyn y Sheriff.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 18.55 miles from Twyn y Sheriff.
