Location: northbound between the junctions with the A438 and the A4103 .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 9 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.21 miles from St Maughans.

Location: southbound between the A438 and the junction with the A465 .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 9 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.68 miles from St Maughans.

Location: northbound between the junctions with the A465 and the A438 .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 9 March 2026.
Nearest town: 13.38 miles from St Maughans.

Description: M4 : Now clear : Both directions : Prince of Wales Bridge to J30 (Cardiff) Cardiff Gate, Start time: 09/03/2026 21:37 , Expected end time: 09/03/2026 21:42, Severity: Slight, Source: Welsh Government, Last updated: 09/03/2026 21:37
Nearest town: 18.31 miles from St Maughans.

Location: westbound between junctions J1 (Avonmouth) and J2 (Chepstow) .
Due to: Roadworks.
Period : from 19:57 on 9 March 2026 to 06:00 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.32 miles from St Maughans.

Description: M4 : Both directions : Prince of Wales Bridge to J30 (Cardiff) Cardiff Gate : Poor driving conditions :, Start time: 09/03/2026 18:16 , Expected end time: 09/03/2026 22:16, Severity: Slight, Source: Welsh Government, Last updated: 09/03/2026 18:16
Nearest town: 18.31 miles from St Maughans.

Location: southbound between the junctions with the A417 and the A4103 .
Due to: Emergency roadworks.
Period : expect disruption until 23:59 on 17 March 2026.
Nearest town: 19.35 miles from St Maughans.

Location: northbound between the junctions with the A4103 and the A417 .
Due to: Emergency roadworks.
Period : expect disruption until 23:59 on 17 March 2026.
Nearest town: 16.04 miles from St Maughans.

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 10 March 2026.
Nearest town: 9.06 miles from St Maughans.

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 10 March 2026.
Nearest town: 7.54 miles from St Maughans.

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 10 March 2026.
Nearest town: 7.51 miles from St Maughans.

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 10 March 2026.
Nearest town: 9.26 miles from St Maughans.

Location: southbound between the junctions with the A417 and the A4103 .
Due to: Emergency roadworks.
Period : expect disruption until 23:50 on 10 March 2026.
Nearest town: 16.01 miles from St Maughans.

Location: northbound between the junctions with the A4103 and the A417 .
Due to: Emergency roadworks.
Period : expect disruption until 23:50 on 10 March 2026.
Nearest town: 16 miles from St Maughans.

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: 6.36 miles from St Maughans.

Location: southbound between the junctions with the A417 and the A4103 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.04 miles from St Maughans.

Location: northbound between the junctions with the A4103 and the A417 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.87 miles from St Maughans.

Location: westbound between junctions J2 (Hereford) and J3 (Newent) .
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 two lanes closed.
Nearest town: 14.9 miles from St Maughans.

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 8.06 miles from St Maughans.

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 8.1 miles from St Maughans.

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: 19.99 miles from St Maughans.

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: 18.5 miles from St Maughans.

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: 18.5 miles from St Maughans.

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: 16.59 miles from St Maughans.

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: 6.89 miles from St Maughans.

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: 5.69 miles from St Maughans.

Location: northbound between the A438 and the junction with the A4103 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.71 miles from St Maughans.

Location: southbound between the A4103 and the junction with the A438 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.16 miles from St Maughans.

Location: eastbound between junctions J4 (S.
Wales) and J2 (Hereford) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.53 miles from St Maughans.

Location: westbound between junctions J2 (Hereford) and J4 (S.
Wales) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.77 miles from St Maughans.

Location: southbound between the junctions with the A465 and the A466 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Nearest town: 11.32 miles from St Maughans.

Location: northbound between the junctions with the A466 and the A465 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Nearest town: 11.26 miles from St Maughans.

Location: eastbound between the A4136 and the junction with the A48 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.01 miles from St Maughans.

Location: westbound at junction J1 (Avonmouth) .
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 13 March 2026 to 15 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.56 miles from St Maughans.

Location: eastbound exit slip at junction J1 (Avonmouth) .
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 13 March 2026 to 15 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.37 miles from St Maughans.

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 13 March 2026 to 15 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.59 miles from St Maughans.

Location: eastbound between junctions J4 (S.
Wales) and J3 (Newent) .
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 two lanes closed.
Nearest town: 11.07 miles from St Maughans.

Location: southbound between the junctions with the M50 and the A40 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.02 miles from St Maughans.

Location: westbound between junctions J3 (Newent) and J4 (S.
Wales) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.94 miles from St Maughans.

Location: northbound between the junctions with the A466 and the A465 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Nearest town: 10.89 miles from St Maughans.

Location: westbound between the junctions with the A449 and the A49 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.53 miles from St Maughans.

Location: southbound between the junctions with the A465 and the A466 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Nearest town: 10.96 miles from St Maughans.

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 20:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.73 miles from St Maughans.

Location: southbound between the junctions with the A417 and the A4103 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 12 March 2026 to 19:00 on 16 March 2026.
Nearest town: 16 miles from St Maughans.

Location: northbound between the junctions with the A4103 and the A417 .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 12 March 2026 to 19:00 on 16 March 2026.
Nearest town: 15.99 miles from St Maughans.

Location: westbound between junctions J3 (Newent) and J4 (S.
Wales) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.33 miles from St Maughans.

Location: northbound between the junctions with the A466 and the A465 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Nearest town: 10.97 miles from St Maughans.

Location: southbound between the junctions with the A465 and the A466 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Nearest town: 11 miles from St Maughans.

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 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.99 miles from St Maughans.

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Nearest town: 18.5 miles from St Maughans.

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 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.5 miles from St Maughans.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.59 miles from St Maughans.

Location: northbound between the junctions with the A466 and the A465 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Nearest town: 10.7 miles from St Maughans.

Location: southbound between the junctions with the A465 and the A466 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Nearest town: 10.79 miles from St Maughans.

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: 6.36 miles from St Maughans.

Location: eastbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.26 miles from St Maughans.

Location: eastbound.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 23 March 2026 to 06:00 on 28 March 2026.
Nearest town: 4.26 miles from St Maughans.

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 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.95 miles from St Maughans.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 10:00 and 15:00 from 10 March 2026 to 11 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.59 miles from St Maughans.

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.59 miles from St Maughans.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.11 miles from St Maughans.

Location: eastbound between junctions J4 (S.
Wales) and J1 (Malvern) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 15 April 2026.
Nearest town: 11.07 miles from St Maughans.
