Crash View

M4 : Westbound : J38 Margam to J39 Groes : Incident : Accident : Lane closed : Delays possible :

Cleared

Description: M4 : Westbound : J38 Margam to J39 Groes : Incident : Accident : Lane closed : Delays possible :, Start time: 21/08/2026 15:24 , Expected end time: 21/08/2026 19:19, Severity: Moderate, Source: Welsh Government, Last updated: 21/08/2026 15:24

Start time
To be confirmed
Expected end
Fri, Aug 21, 2026 4:10 PM
Duration
Live incident
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Aug 21, 2026 3:24 PM
Cleared
Fri, Aug 21, 2026 4:10 PM
Coordinates
51.566402, -3.743817
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

M4 : Eastbound : J40 Taibach : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 27/08/26-28/08/26 2000-0030 :

Active Roadworks Traffic Wales
Neath Port Talbot
Started Start time TBC

Description: M4 : Eastbound : J40 Taibach : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 27/08/26-28/08/26 2000-0030 :, Start time: 27/08/2026 20:00 , End Date: 28/08/2026 0:30, Severity: Road closure, Source: Welsh Government, Last updated: 21/08/2026 13:48

View update

M4 : Westbound : J40 Taibach : Resurfacing work : Exit slip road closed : and Exit slip road closed : Diversions in place : 26/08/26-27/08/26 2000-0030 :

Active Roadworks Traffic Wales
Neath Port Talbot
Started Start time TBC

Description: M4 : Westbound : J40 Taibach : Resurfacing work : Exit slip road closed : and Exit slip road closed : Diversions in place : 26/08/26-27/08/26 2000-0030 :, Start time: 26/08/2026 20:00 , End Date: 27/08/2026 0:30, Severity: Road closure, Source: Welsh Government, Last updated: 21/08/2026 13:46

View update

M4 : Westbound : J38 Margam to J44 Lon Las : Congestion : Delays possible :

Active Roadworks Traffic Wales
Neath Port Talbot
Started Start time TBC

Description: M4 : Westbound : J38 Margam to J44 Lon Las : Congestion : Delays possible :, Start time: 21/08/2026 14:30 , Expected end time: 21/08/2026 19:30, Severity: Moderate, Source: Welsh Government, Last updated: 21/08/2026 14:30

View update

A465 : Both directions : Aberdulais to Resolven : Resurfacing work : Road closed : Diversions in place : 27/07/26-26/08/26 2000-0600 :

Active Roadworks Traffic Wales
Neath Port Talbot
Started Start time TBC

Description: A465 : Both directions : Aberdulais to Resolven : Resurfacing work : Road closed : Diversions in place : 27/07/26-26/08/26 2000-0600 :, Start time: 27/07/2026 20:00 , End Date: 26/08/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/07/2026 20:00

View update

M4 : Now clear : Eastbound : J44 Lon Las to J43 Llandarcy

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 4 months 1 week ago

Started Start time TBC Ended 8 Apr 2026, 17:45

Description: M4 : Now clear : Eastbound : J44 Lon Las to J43 Llandarcy, Start time: 08/04/2026 18:18 , Expected end time: 08/04/2026 18:23, Severity: Moderate, Source: Welsh Government, Last updated: 08/04/2026 18:18

View update

M4 : Now clear : Eastbound : J42 Earlswood to J41 Pentyla/Baglan

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 months 3 weeks ago

Started Start time TBC Ended 26 May 2026, 16:40

Description: M4 : Now clear : Eastbound : J42 Earlswood to J41 Pentyla/Baglan, Start time: 26/05/2026 16:12 , Expected end time: 26/05/2026 16:17, Severity: Road closure, Source: Welsh Government, Last updated: 26/05/2026 16:12

View update