Description: M4 : Eastbound : J26 (Newport) Malpas to J23A (Magor) Magor : Congestion : Delays possible :, Start time: 26/06/2025 6:59 , Expected end time: 26/06/2025 7:58, Severity: Moderate, Source: Welsh Government, Last updated: 26/06/2025 6:59
Nearest town: 10.8 miles from Cas Gwent (Chepstow).
Location: northbound at junction J2 (Stapleton) .
Lane Closures : Lane two will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.26 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J3 and J2 (Stapleton) .
Lane Closures : Lane two will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.39 miles from Cas Gwent (Chepstow).
Location: northbound at junction J3 .
Lane Closures : Lane two will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.49 miles from Cas Gwent (Chepstow).
Location: southbound at junction J3 .
Lane Closures : Lane two will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.4 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J2 (Stapleton) and J3 .
Lane Closures : Lane two will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.27 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J1 (Filton) and J2 (Stapleton) .
Lane Closures : Lane two will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.52 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J17 (Bristol West) and J15 (Almondsbury) .
Due to: Roadworks.
Period : from 21:56 on 25 June 2025 to 06:00 on 26 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 7.91 miles from Cas Gwent (Chepstow).
Location: northbound entry slip at junction J17 (Bristol West) .
Due to: Roadworks.
Period : from 21:59 on 25 June 2025 to 06:00 on 26 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 7.86 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 10.72 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.23 miles from Cas Gwent (Chepstow).
Location: southbound at junction J18 (Bristol) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.01 miles from Cas Gwent (Chepstow).
Location: northbound at junction J19 (Portishead) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.92 miles from Cas Gwent (Chepstow).
Location: southbound at junction J19 (Portishead) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.81 miles from Cas Gwent (Chepstow).
Location: westbound between junctions J18 (Bath) and J19 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.78 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J20 (Nailsea) and J22 (Burnham on Sea) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 27 June 2025.
Nearest town: 19.42 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.97 miles from Cas Gwent (Chepstow).
Location: northbound entry slip at junction J16 (Thornbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 26 June 2025 to 06:00 on 27 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.66 miles from Cas Gwent (Chepstow).
Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 26 June 2025.
Nearest town: 18.33 miles from Cas Gwent (Chepstow).
Location: northbound between the junctions with the A4 and the A420 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 26 June 2025.
Nearest town: 18.43 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 03:00 on 26 June 2025.
Nearest town: 12.85 miles from Cas Gwent (Chepstow).
Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 18:00 on 27 June 2025.
Nearest town: 18.42 miles from Cas Gwent (Chepstow).
Location: northbound between the junctions with the A4 and the A420 .
Due to: Roadworks.
Period : expect disruption until 18:00 on 27 June 2025.
Nearest town: 18.44 miles from Cas Gwent (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 July 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.05 miles from Cas Gwent (Chepstow).
Location: southbound between the junctions with the A4137 and the A40 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 17 December 2025.
Nearest town: 19.75 miles from Cas Gwent (Chepstow).
Location: northbound between the junctions with the A40 and the A4137 .
Due to: Roadworks.
Period : expect disruption until 07:00 on 17 December 2025.
Nearest town: 19.78 miles from Cas Gwent (Chepstow).
Location: westbound.
Due to: Roadworks scheme.
Period : from 06:00 on 9 December 2024 to 06:00 on 28 July 2025.
Nearest town: 16.05 miles from Cas Gwent (Chepstow).
Location: eastbound exit slip at junction J19 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 10.67 miles from Cas Gwent (Chepstow).
Location: eastbound between junctions J20 (Bristol) and J19 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.66 miles from Cas Gwent (Chepstow).
Location: southbound exit slip at junction J15 (Almondsbury) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.06 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J14 (Dursley) and J15 (Almondsbury) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.11 miles from Cas Gwent (Chepstow).
Location: eastbound entry slip at junction J20 (Bristol) from M5 south.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.04 miles from Cas Gwent (Chepstow).
Location: eastbound entry slip at junction J20 (Bristol) from M5 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.79 miles from Cas Gwent (Chepstow).
Location: eastbound between junctions J22 (Avonmouth) and J20 (Bristol) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.15 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J3 and J2 (Stapleton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.4 miles from Cas Gwent (Chepstow).
Location: northbound exit slip at junction J2 (Stapleton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.26 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J2 (Stapleton) and J1 (Filton) .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.12 miles from Cas Gwent (Chepstow).
Location: northbound at junction J3 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.49 miles from Cas Gwent (Chepstow).
Location: westbound between junctions J19 (Bristol) and J20 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.5 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.23 miles from Cas Gwent (Chepstow).
Location: westbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.48 miles from Cas Gwent (Chepstow).
Location: eastbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.38 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J17 (Bristol West) and J16 (Thornbury) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 2 July 2025 to 06:00 on 3 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.71 miles from Cas Gwent (Chepstow).
Location: southbound entry slip at junction J19 (Portishead) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 1 July 2025 to 06:00 on 2 July 2025.
Nearest town: 10.95 miles from Cas Gwent (Chepstow).
Location: southbound entry slip at junction J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 1 July 2025 to 06:00 on 2 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.95 miles from Cas Gwent (Chepstow).
Location: southbound exit slip at junction J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 1 July 2025 to 06:00 on 2 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.81 miles from Cas Gwent (Chepstow).
Location: westbound between the M4 and junction J1 (Avonmouth) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 1 July 2025 to 5 July 2025.
Nearest town: 4.13 miles from Cas Gwent (Chepstow).
Location: westbound between junctions J18 (Bath) and J19 (Bristol) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Nearest town: 11.31 miles from Cas Gwent (Chepstow).
Location: eastbound between junctions J20 (Bristol) and J19 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.75 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J2 (Stapleton) and J1 (Filton) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.43 miles from Cas Gwent (Chepstow).
Location: eastbound between the junctions with the A4137 and the A49 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.92 miles from Cas Gwent (Chepstow).
Location: southbound between the junctions with the A4137 and the A40 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Nearest town: 19.86 miles from Cas Gwent (Chepstow).
Location: northbound between junction J1 (Filton) and the M4 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.05 miles from Cas Gwent (Chepstow).
Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.1 miles from Cas Gwent (Chepstow).
Location: southbound between the M4 and the junction with the M5 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.99 miles from Cas Gwent (Chepstow).
Location: northbound between the junctions with the A40 and the A4137 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2025 to 06:00 on 2 July 2025.
Nearest town: 19.86 miles from Cas Gwent (Chepstow).
Location: northbound entry slip at junction J2 (Stapleton) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 30 June 2025 to 06:00 on 1 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.06 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J1 (Filton) and J2 (Stapleton) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 30 June 2025 to 06:00 on 1 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.54 miles from Cas Gwent (Chepstow).
Location: eastbound between the junctions with the A466 and the A4137 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 30 June 2025 to 06:00 on 1 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.86 miles from Cas Gwent (Chepstow).
Location: southbound between junctions J12 (Gloucester) and J13 (Stroud) .
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 30 June 2025 to 3 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.03 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J13 (Stroud) and J12 (Gloucester) .
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 2 July 2025 to 4 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.5 miles from Cas Gwent (Chepstow).
Location: eastbound between the A449 and the junction with the A4136 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 30 June 2025 to 3 July 2025.
Nearest town: 19.82 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 27 June 2025 to 06:00 on 28 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.65 miles from Cas Gwent (Chepstow).
Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 June 2025 to 28 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.75 miles from Cas Gwent (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 26 June 2025 to 22 August 2025.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 26 August 2025 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: 15.49 miles from Cas Gwent (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 26 June 2025 to 28 June 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 June 2025 to 5 July 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 July 2025 to 12 July 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 July 2025 to 19 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.78 miles from Cas Gwent (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 26 June 2025 to 28 June 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 June 2025 to 5 July 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 July 2025 to 12 July 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 July 2025 to 19 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.59 miles from Cas Gwent (Chepstow).
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