Crash View

M4 : Eastbound : J47 Penllergaer : Carriageway maintenance : Entry slip road closed : Diversions in place : 30/10/26-31/10/26 2000-0900 :

Active

Description: M4 : Eastbound : J47 Penllergaer : Carriageway maintenance : Entry slip road closed : Diversions in place : 30/10/26-31/10/26 2000-0900 :, Start time: 30/10/2026 20:00 , End Date: 31/10/2026 9:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/10/2026 15:43

Start time
To be confirmed
Expected end
Awaiting update
Duration
Live incident
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Oct 23, 2026 3:43 PM
Coordinates
51.676876, -4.000955
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

M4 : Westbound : J44 Lon Las : Carriageway maintenance : entry slip road closed : Diversions in place : 25/10/26-27/10/26 2000-0700 :

Active Roadworks Traffic Wales
Swansea
Started Start time TBC

Description: M4 : Westbound : J44 Lon Las : Carriageway maintenance : entry slip road closed : Diversions in place : 25/10/26-27/10/26 2000-0700 :, Start time: 25/10/2026 20:00 , End Date: 27/10/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/10/2026 20:00

View update

M4 : Westbound : J46 Llangyfelach : Carriageway maintenance : Entry slip road closed : Exit slip road closed : Diversions in place : 27/10/26-29/10/26 2000-0600 :

Active Roadworks Traffic Wales
Swansea
Started Start time TBC

Description: M4 : Westbound : J46 Llangyfelach : Carriageway maintenance : Entry slip road closed : Exit slip road closed : Diversions in place : 27/10/26-29/10/26 2000-0600 :, Start time: 27/10/2026 20:00 , End Date: 29/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/10/2026 15:41

View update

M4 : Eastbound : J44 Lon Las : Carriageway maintenance : Exit slip road closed : Diversions in place : 25/10/26-27/10/26 2000-0600 :

Active Roadworks Traffic Wales
Swansea
Started Start time TBC

Description: M4 : Eastbound : J44 Lon Las : Carriageway maintenance : Exit slip road closed : Diversions in place : 25/10/26-27/10/26 2000-0600 :, Start time: 25/10/2026 20:00 , End Date: 27/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/10/2026 20:00

View update

M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 1 week ago

Started Start time TBC Ended 14 Aug 2026, 19:35

Description: M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham, Start time: 14/08/2026 19:15 , Expected end time: 14/08/2026 18:11, Severity: Moderate, Source: Welsh Government, Last updated: 14/08/2026 19:15

View update

M4 : Eastbound : J45 Ynysforgan to J42 Earlswood : Congestion : Due to Incident : Delays possible :

Cleared Roadworks Traffic Wales
Swansea

Cleared 3 months 2 weeks ago

Started Start time TBC Ended 9 Jul 2026, 13:15

Description: M4 : Eastbound : J45 Ynysforgan to J42 Earlswood : Congestion : Due to Incident : Delays possible :, Start time: 09/07/2026 11:17 , Expected end time: 09/07/2026 17:17, Severity: Moderate, Source: Welsh Government, Last updated: 09/07/2026 11:17

View update

M4 : Now clear : Eastbound : J45 Ynysforgan to J43 Llandarcy

Cleared Roadworks Traffic Wales
Swansea

Cleared 3 months 3 weeks ago

Started Start time TBC Ended 1 Jul 2026, 19:30

Description: M4 : Now clear : Eastbound : J45 Ynysforgan to J43 Llandarcy, Start time: 01/07/2026 19:10 , Expected end time: 01/07/2026 18:08, Severity: Moderate, Source: Welsh Government, Last updated: 01/07/2026 19:10

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