Crash View

M4 : Westbound : J45 Ynysforgan to J46 Llangyfelach : Roadworks : Entry slip road closed : Diversions in place : 22/09/25-24/09/25 2000-0600 :

Cleared

Description: M4 : Westbound : J45 Ynysforgan to J46 Llangyfelach : Roadworks : Entry slip road closed : Diversions in place : 22/09/25-24/09/25 2000-0600 :, Start time: 22/09/2025 20:00 , End Date: 24/09/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/09/2025 20:00

Start time
To be confirmed
Expected end
Wed, Sep 24, 2025 5:05 AM
Duration
Live incident
Active
Planned
Cleared
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First published
Mon, Sep 22, 2025 8:00 PM
Cleared
Wed, Sep 24, 2025 5:05 AM
Coordinates
51.679714, -3.937606
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

M4 : Eastbound : J45 Ynysforgan to J44 Lon Las : 05/06/26-13/06/26 2000-0600 : Resurfacing work : Closed :

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Description: M4 : Eastbound : J45 Ynysforgan to J44 Lon Las : 05/06/26-13/06/26 2000-0600 : Resurfacing work : Closed :, Start time: 05/06/2026 20:00 , End Date: 13/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/06/2026 20:00

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M4 : Eastbound : J44 Lon Las : 10/06/26 1930-0000 : onslip : offslip : Closed :

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Description: M4 : Eastbound : J44 Lon Las : 10/06/26 1930-0000 : onslip : offslip : Closed :, Start time: 10/06/2026 19:30 , End Date: 10/06/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/06/2026 16:44

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M4 : Westbound : J44 Lon Las : 11/06/26 1930-0000 : onslip : offslip : Closed :

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Starts Start time TBC

Description: M4 : Westbound : J44 Lon Las : 11/06/26 1930-0000 : onslip : offslip : Closed :, Start time: 11/06/2026 19:30 , End Date: 11/06/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/06/2026 16:46

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M4 : Eastbound : J47 Penllergaer : 10/06/26-11/06/26 2000-0600 : onslip : Closed :

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Starts Start time TBC

Description: M4 : Eastbound : J47 Penllergaer : 10/06/26-11/06/26 2000-0600 : onslip : Closed :, Start time: 10/06/2026 20:00 , End Date: 11/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/06/2026 16:59

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M4 : Westbound : J47 Penllergaer : 09/06/26-10/06/26 2000-0600 : onslip : Closed :

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Starts Start time TBC

Description: M4 : Westbound : J47 Penllergaer : 09/06/26-10/06/26 2000-0600 : onslip : Closed :, Start time: 09/06/2026 20:00 , End Date: 10/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/06/2026 16:58

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M4 : Eastbound : J47 Penllergaer : Roadworks : Entry slip road closed : Diversions in place : 23/01/26-24/01/26 1900-0900 :

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Starts Start time TBC Expected 24 Jan 2026, 09:05

Description: M4 : Eastbound : J47 Penllergaer : Roadworks : Entry slip road closed : Diversions in place : 23/01/26-24/01/26 1900-0900 :, Start time: 23/01/2026 19:00 , End Date: 24/01/2026 9:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/01/2026 19:00

View update