M4 : Westbound : J38 Margam to J42 Earlswood : Congestion : Congestion : Delays possible :
ClearedDescription: M4 : Westbound : J38 Margam to J42 Earlswood : Congestion : Congestion : Delays possible :, Start time: 04/11/2026 16:53 , Expected end time: 04/11/2026 19:00, Severity: Moderate, Source: Welsh Government, Last updated: 04/11/2026 16:53
- Start time
- To be confirmed
- Expected end
- Wed, Nov 4, 2026 6:45 PM
- Duration
- Live incident
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- First published
- Wed, Nov 4, 2026 4:53 PM
- Cleared
- Wed, Nov 4, 2026 6:45 PM
- Coordinates
- 51.598850, -3.788025
- Feed provider
- Traffic Wales
- Coordinate source
- Georss Point
Source: Traffic Wales data feed
Related incidents
M4 : Westbound : J42 Earlswood : Roadworks : Exit slip road closed : Diversions in place : 03/11/26-07/11/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J42 Earlswood : Roadworks : Exit slip road closed : Diversions in place : 03/11/26-07/11/26 2000-0600 :, Start time: 03/11/2026 20:00 , End Date: 07/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/11/2026 20:00
M4 : Eastbound : J41 Pentyla/Baglan to J38 Margam : Roadworks : Road closed : Diversions in place : 04/11/26-06/11/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J41 Pentyla/Baglan to J38 Margam : Roadworks : Road closed : Diversions in place : 04/11/26-06/11/26 2000-0600 :, Start time: 04/11/2026 20:00 , End Date: 06/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:52
M4 : Now clear : Eastbound : J44 Lon Las to J43 Llandarcy
Cleared Roadworks Traffic WalesCleared 6 months 3 weeks 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
A465 : Both directions : Glynneath : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-22/10/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 1 week 6 days ago
Description: A465 : Both directions : Glynneath : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-22/10/26 2000-0600 :, Start time: 15/10/2026 20:00 , End Date: 22/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/10/2026 20:00
M4 : Now clear : Eastbound : J42 Earlswood to J41 Pentyla/Baglan
Cleared Roadworks Traffic WalesCleared 5 months 1 week ago
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
M4 : Now open : Both directions : J42 Earlswood to J41 Pentyla/Baglan
Cleared Roadworks Traffic WalesCleared 3 months 3 weeks ago
Description: M4 : Now open : Both directions : J42 Earlswood to J41 Pentyla/Baglan, Start time: 09/07/2026 12:35 , Expected end time: 09/07/2026 11:32, Severity: Severe, Source: Welsh Government, Last updated: 09/07/2026 12:35