Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 12:15 and 12:30 on 19 December 2025.
Normal traffic conditions are expected between 12:15 and 12:30 on 19 December 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 7.38 miles from Westbury Park.

Disgrifiad: M4 : Tuar Gorllewin : C23A Magwyr i G25 Caerllion : Tagfeydd : Oedin bosibl :, Amser y digwyddiad: 19/12/2025 16:15 , Amser gorffen a ragwelir: 19/12/2025 20:14, Difrifoldeb: Cymedrol, Ffynhonnell: Llywodraeth Cymru, Diweddarwyd ddiwethaf: 19/12/2025 16:15
Nearest town: 15.28 miles from Westbury Park.

Location: northbound at junction J15 (Almondsbury) .
Due to: Congestion.
Normal traffic conditions are expected between 11:45 and 12:00 on 19 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 6.29 miles from Westbury Park.

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.07 miles from Westbury Park.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadworks.
Period : expect disruption until 14:00 on 19 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.91 miles from Westbury Park.

Location: eastbound between junctions J22 (Avonmouth) and J21 (Chepstow) .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.13 miles from Westbury Park.

Location: eastbound between junctions J22 (Avonmouth) and J20 (Bristol) .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.99 miles from Westbury Park.

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.74 miles from Westbury Park.

Location: northbound at junction J15 (Almondsbury) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.32 miles from Westbury Park.

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 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.23 miles from Westbury Park.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Nearest town: 14.2 miles from Westbury Park.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.2 miles from Westbury Park.

Location: northbound entry slip at junction J21 (Weston super Mare) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.14 miles from Westbury Park.

Location: southbound between junctions J1 (Filton) and J2 (Stapleton) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 20 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 3.98 miles from Westbury Park.

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 22:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 3.67 miles from Westbury Park.

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 22:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 4.02 miles from Westbury Park.

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 16:00 on 19 December 2025.
Nearest town: 3.25 miles from Westbury Park.

Location: southbound between the A420 and the junction with the A4 .
Due to: Roadworks scheme.
Period : from 02:00 on 2 December 2025 to 05:00 on 20 December 2025.
Nearest town: 12.31 miles from Westbury Park.

Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
Nearest town: 12.42 miles from Westbury Park.

Location: southbound between the junctions with the A420 and the A4 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
Nearest town: 12.31 miles from Westbury Park.

Location: northbound between the A4 and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 02:00 on 2 December 2025 to 05:00 on 20 December 2025.
Nearest town: 12.47 miles from Westbury Park.

Location: northbound between the junctions with the A4 and the A420 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
Nearest town: 12.47 miles from Westbury Park.

Location: northbound between the junctions with the A4 and the A420 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 20 December 2025.
Nearest town: 12.46 miles from Westbury Park.

Location: westbound between junctions J20 (Bristol) and J21 (Chepstow) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 22 December 2025 to 06:00 on 23 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.75 miles from Westbury Park.

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 22 December 2025 to 06:00 on 23 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 6.88 miles from Westbury Park.

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 20:00 on 22 December 2025 to 21:00 on 22 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.95 miles from Westbury Park.

Location: westbound between junctions J1 (Avonmouth) and J2 (Chepstow) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 22 December 2025 to 21:00 on 22 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.18 miles from Westbury Park.

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 22 December 2025 to 06:00 on 23 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.8 miles from Westbury Park.

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 22 December 2025 to 06:00 on 23 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.55 miles from Westbury Park.

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 : From 19:00 on 22 December 2025 to 06:00 on 23 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.44 miles from Westbury Park.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 22 December 2025 to 24 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.92 miles from Westbury Park.

Location: eastbound exit slip at junction J19 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 23 December 2025 to 04:00 on 24 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.28 miles from Westbury Park.

Location: eastbound between junctions J20 (Bristol) and J19 (Bristol) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 23 December 2025 to 04:00 on 24 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 5.41 miles from Westbury Park.

Location: northbound at junction J1 (Filton) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 23 December 2025 to 04:00 on 24 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.56 miles from Westbury Park.

Location: southbound between the M4 and junction J1 (Filton) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 23 December 2025 to 04:00 on 24 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.17 miles from Westbury Park.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : Lane four will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 23 December 2025 to 06:00 on 24 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 3.22 miles from Westbury Park.

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 22 December 2025 to 04:00 on 23 December 2025.
Nearest town: 13.05 miles from Westbury Park.

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 21:30 on 19 December 2025 to 06:00 on 20 December 2025.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 5 January 2026 to 7 January 2026.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 8 January 2026 to 10 January 2026.
Schedule : From 21:00 on 10 January 2026 to 06:00 on 11 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 3.05 miles from Westbury Park.

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 7 January 2026 to 06:00 on 8 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 3.05 miles from Westbury Park.

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 20 December 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 3.11 miles from Westbury Park.

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 7 January 2026 to 06:00 on 8 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 3.76 miles from Westbury Park.

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 7 January 2026 to 06:00 on 8 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 3.11 miles from Westbury Park.

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 20 December 2025 to 23 December 2025.
Nearest town: 19.14 miles from Westbury Park.

Location: southbound between junctions J14 (Dursley) and J15 (Almondsbury) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 20 December 2025 to 23 December 2025.
Nearest town: 8.91 miles from Westbury Park.

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 20 December 2025 to 23 December 2025.
Nearest town: 3.45 miles from Westbury Park.

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 19 December 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: 9.79 miles from Westbury Park.

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 : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 December 2025 to 27 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 29 December 2025 to 3 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 January 2026 to 10 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.51 miles from Westbury Park.

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 : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 December 2025 to 27 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 29 December 2025 to 3 January 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 January 2026 to 10 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.21 miles from Westbury Park.
