M4 : Both directions : J38 Margam to J42 Earlswood : Resurfacing work : Road closed : Diversions in place : 20/09/26-25/09/26 2000-0600 :
ClearedDescription: M4 : Both directions : J38 Margam to J42 Earlswood : Resurfacing work : Road closed : Diversions in place : 20/09/26-25/09/26 2000-0600 :, Start time: 20/09/2026 20:00 , End Date: 25/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/09/2026 20:00
- Start time
- To be confirmed
- Expected end
- Fri, Sep 25, 2026 5:05 AM
- Duration
- Live incident
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- First published
- Sun, Sep 20, 2026 8:00 PM
- Cleared
- Fri, Sep 25, 2026 5:05 AM
- Coordinates
- 51.598850, -3.788025
- Feed provider
- Traffic Wales
- Coordinate source
- Georss Point
Source: Traffic Wales data feed
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M4 : Eastbound : J42 Earlswood : Roadworks : Exit slip road closed : Diversions in place : 14/10/26-16/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J42 Earlswood : Roadworks : Exit slip road closed : Diversions in place : 14/10/26-16/10/26 2000-0600 :, Start time: 14/10/2026 20:00 , End Date: 16/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:12
M4 : Westbound : J39 Groes : Roadworks : Entry slip road closed : Diversions in place : 12/10/26-17/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J39 Groes : Roadworks : Entry slip road closed : Diversions in place : 12/10/26-17/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 17/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/10/2026 20:00
M4 : Westbound : J38 Margam : Roadworks : Exit slip road closed : Diversions in place : 12/10/26-17/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J38 Margam : Roadworks : Exit slip road closed : Diversions in place : 12/10/26-17/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 17/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/10/2026 20:00
M4 : Now clear : Eastbound : J44 Lon Las to J43 Llandarcy
Cleared Roadworks Traffic WalesCleared 6 months 4 days ago
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