Location: westbound at junction J1 (Avonmouth) .
Due to: Road Management.
Lanes Closed : All lanes are closed.
Nearest town: 3.7 miles from Chepstow.

Location: westbound exit slip at junction J19 (Bristol) .
Lane Closures : Lane two is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 17:00 and 17:15 on 15 March 2026.
Normal traffic conditions are expected between 17:00 and 17:15 on 15 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.09 miles from Chepstow.

Description: M4 : Now clear : Eastbound : J28 (Newport) Tredegar Park to J24 (Newport) Coldra, Start time: 15/03/2026 14:41 , Expected end time: 15/03/2026 14:46, Severity: Moderate, Source: Welsh Government, Last updated: 15/03/2026 14:41
Nearest town: 13.9 miles from Chepstow.

Location: eastbound between junctions J19 (Bristol) and J18 (Bath) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Road Management.
Time To Clear : The event is expected to clear between 16:15 and 16:30 on 15 March 2026.
Normal traffic conditions are expected between 16:15 and 16:30 on 15 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.53 miles from Chepstow.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Road Management.
Lanes Closed : There are lane closures.
Nearest town: 1.29 miles from Chepstow.

Location: westbound between junctions J1 (Avonmouth) and J2 (Chepstow) .
Due to: Road Management.
Lanes Closed : There are lane closures.
Nearest town: 3.27 miles from Chepstow.

Description: M4 : Eastbound : J28 (Newport) Tredegar Park to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 15/03/2026 10:58 , Expected end time: 15/03/2026 12:58, Severity: Moderate, Source: Welsh Government, Last updated: 15/03/2026 10:58
Nearest town: 15.74 miles from Chepstow.

Description: M4 : Eastbound : J27 (High Cross) High Cross to J26 (Newport) Malpas : Accident : Delays possible :, Start time: 15/03/2026 11:21 , Expected end time: 15/03/2026 13:20, Severity: Moderate, Source: Welsh Government, Last updated: 15/03/2026 11:21
Nearest town: 15.33 miles from Chepstow.

Description: M4 : Eastbound : J28 (Newport) Tredegar Park to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 15/03/2026 10:58 , Expected end time: 15/03/2026 12:58, Severity: Moderate, Source: Welsh Government, Last updated: 15/03/2026 10:58
Nearest town: 15.74 miles from Chepstow.

Location: southbound at junction J3 .
Due to: Congestion.
Normal traffic conditions are expected between 13:45 and 14:00 on 15 March 2026.
Nearest town: 12.58 miles from Chepstow.

Location: southbound at junction J3 .
Due to: Congestion.
Normal traffic conditions are expected between 13:15 and 13:30 on 15 March 2026.
Nearest town: 12.58 miles from Chepstow.

Location: southbound at junction J3 .
Due to: Congestion.
Normal traffic conditions are expected between 12:30 and 12:45 on 15 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 12.58 miles from Chepstow.

Location: northbound at junction J12 (Gloucester) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.85 miles from Chepstow.

Location: northbound between junctions J13 (Stroud) and J12 (Gloucester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.18 miles from Chepstow.

Location: westbound between the A49 and the junction with the A466 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.69 miles from Chepstow.

Location: eastbound between the A466 and the junction with the A49 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.18 miles from Chepstow.

Location: southbound entry slip at junction J12 (Gloucester) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.97 miles from Chepstow.

Location: northbound entry slip at junction J19 (Portishead) .
Lane Closures : Lane two is closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.08 miles from Chepstow.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Roadworks scheme.
Period : from 20:09 on 13 March 2026 to 06:00 on 21 March 2026.
Nearest town: 14.56 miles from Chepstow.

Location: westbound between the A49 and the junction with the A466 .
Due to: Roadworks scheme.
Period : from 16:03 on 17 November 2025 to 06:00 on 18 May 2026.
Nearest town: 15.8 miles from Chepstow.

Location: southbound between junctions J14 (Dursley) and J15 (Almondsbury) .
Lane Closures : Lane three 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: 8.55 miles from Chepstow.

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : Lane three 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: 8.39 miles from Chepstow.

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: 16.88 miles from Chepstow.

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: 15.94 miles from Chepstow.

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: 14.58 miles from Chepstow.

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: 16.49 miles from Chepstow.

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: 16.49 miles from Chepstow.

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: 14.58 miles from Chepstow.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 23 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.56 miles from Chepstow.

Location: eastbound exit slip at junction J1 (Avonmouth) .
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 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 3.33 miles from Chepstow.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks 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: 1.24 miles from Chepstow.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.8 miles from Chepstow.

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
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: 16.82 miles from Chepstow.

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
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: 16.23 miles from Chepstow.

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 28 March 2026.
Nearest town: 14.77 miles from Chepstow.

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: 17.09 miles from Chepstow.

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: 16.49 miles from Chepstow.

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: 15.94 miles from Chepstow.

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: 15.67 miles from Chepstow.

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: 12.24 miles from Chepstow.

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: 19.79 miles from Chepstow.

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: 18.82 miles from Chepstow.

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 : From 20:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.16 miles from Chepstow.

Location: eastbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.7 miles from Chepstow.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 20 March 2026.
Nearest town: 4.73 miles from Chepstow.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.73 miles from Chepstow.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.24 miles from Chepstow.

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 : Expect disruption everyday between 20:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.77 miles from Chepstow.

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: 18.27 miles from Chepstow.

Location: eastbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 2 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.56 miles from Chepstow.

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 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.8 miles from Chepstow.

Location: eastbound.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 30 March 2026 to 06:00 on 2 April 2026.
Nearest town: 13.56 miles from Chepstow.

Location: eastbound between the A466 and the junction with the A49 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 2 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.5 miles from Chepstow.

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.8 miles from Chepstow.

Location: southbound exit slip at junction J1 (Filton) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 March 2026 to 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.03 miles from Chepstow.

Location: southbound entry slip at junction J1 (Filton) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 17 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.2 miles from Chepstow.

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: 9.09 miles from Chepstow.

Location: eastbound between junctions J20 (Bristol) and J19 (Bristol) .
Lane Closures : Lane three will be closed.
Due to: Roadworks 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: 9.03 miles from Chepstow.

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 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.35 miles from Chepstow.

Location: eastbound entry slip at junction J20 (Bristol) from M5 north.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 04:00 on 17 March 2026.
Nearest town: 8.04 miles from Chepstow.

Location: westbound between junctions J19 (Bristol) and J20 (Bristol) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.64 miles from Chepstow.

Location: southbound entry slip at junction J12 (Gloucester) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.97 miles from Chepstow.

Location: eastbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.7 miles from Chepstow.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 18 March 2026.
Nearest town: 4.73 miles from Chepstow.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
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 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.73 miles from Chepstow.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.24 miles from Chepstow.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
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 16 March 2026 to 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.72 miles from Chepstow.

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
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: 14.9 miles from Chepstow.

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: 12.24 miles from Chepstow.

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 : From 20:30 on 20 March 2026 to 08:00 on 21 March 2026.
Schedule : From 19:30 on 21 March 2026 to 09:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 10.97 miles from Chepstow.

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 20 March 2026 to 08:00 on 21 March 2026.
Schedule : From 19:30 on 21 March 2026 to 09:00 on 22 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.17 miles from Chepstow.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.78 miles from Chepstow.

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.8 miles from Chepstow.

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.11 miles from Chepstow.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
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 March 2026 to 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.13 miles from Chepstow.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
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 March 2026 to 21 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.56 miles from Chepstow.

Location: southbound entry slip at junction J19 (Portishead) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 17 March 2026.
Nearest town: 11.2 miles from Chepstow.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 17 March 2026.
Nearest town: 11.26 miles from Chepstow.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 8.91 miles from Chepstow.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 8.55 miles from Chepstow.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 16 March 2026 to 17:00 on 20 March 2026.
Schedule : From 08:00 on 23 March 2026 to 17:00 on 27 March 2026.
Schedule : From 08:00 on 30 March 2026 to 17:00 on 1 April 2026.
Schedule : From 08:00 on 7 April 2026 to 17:00 on 10 April 2026.
Nearest town: 13.48 miles from Chepstow.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 13.49 miles from Chepstow.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
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 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.42 miles from Chepstow.

Location: southbound at junction 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 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : From 21:00 on 30 March 2026 to 06:00 on 31 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.26 miles from Chepstow.

Location: southbound between junctions J18 (Bristol) and 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 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : From 21:00 on 30 March 2026 to 06:00 on 31 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 9.46 miles from Chepstow.

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 16 March 2026 to 20 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : From 21:00 on 30 March 2026 to 06:00 on 31 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.97 miles from Chepstow.

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 17 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 11.17 miles from Chepstow.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 15 March 2026 to 28 March 2026.
Schedule : From 20:00 on 28 March 2026 to 04:00 on 29 March 2026.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 29 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.77 miles from Chepstow.

Location: westbound between junctions J17 (Chippenham) and J18 (Bath) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.75 miles from Chepstow.

Location: eastbound between junctions J18 (Bath) and J17 (Chippenham) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.56 miles from Chepstow.
