Road closure archive

Search previously cleared incidents, planned works and cancelled closures. Use precise date ranges or focus on a particular corridor to understand how the network has been disrupted recently.

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115 archived incidents found

Filters applied: Region: swansea • Status: Cleared

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

Cleared Roadworks Traffic Wales
Swansea

Cleared 1 month 3 weeks ago

Started Start time TBC Ended 10 Jun 2026, 23:05

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

Cleared Roadworks Traffic Wales
Swansea

Cleared 1 month 3 weeks ago

Started Start time TBC Ended 10 Jun 2026, 05:05

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: 09/06/2026 20:00

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

Cleared Roadworks Traffic Wales
Swansea

Cleared 1 month 3 weeks ago

Started Start time TBC Ended 9 Jun 2026, 23:05

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

Cleared Roadworks Traffic Wales
Swansea

Cleared 1 month 3 weeks ago

Started Start time TBC Ended 9 Jun 2026, 09:35

Description: M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham, Start time: 09/06/2026 10:15 , Expected end time: 09/06/2026 9:12, Severity: Moderate, Source: Welsh Government, Last updated: 09/06/2026 10:15

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M4 : Both directions : J48 Hendy to J47 Penllergaer : 04/06/26-05/06/26 2000-0600 : Roadworks : Closed :

Cleared Roadworks Traffic Wales
Swansea

Cleared 1 month 4 weeks ago

Started Start time TBC Ended 5 Jun 2026, 05:05

Description: M4 : Both directions : J48 Hendy to J47 Penllergaer : 04/06/26-05/06/26 2000-0600 : Roadworks : Closed :, Start time: 04/06/2026 20:00 , End Date: 05/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/06/2026 20:00

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M4 : Now clear : Westbound : J45 Ynysforgan

Cleared Roadworks Traffic Wales
Swansea

Cleared 1 month 4 weeks ago

Started Start time TBC Ended 4 Jun 2026, 18:20

Description: M4 : Now clear : Westbound : J45 Ynysforgan, Start time: 04/06/2026 18:55 , Expected end time: 04/06/2026 18:01, Severity: Moderate, Source: Welsh Government, Last updated: 04/06/2026 18:55

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M4 : Eastbound : J47 Penllergaer : 02/06/26-03/06/26 1930-0100 : Roadworks : Closed : offslip : onslip :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 22 hours ago

Started Start time TBC Ended 3 Jun 2026, 00:05

Description: M4 : Eastbound : J47 Penllergaer : 02/06/26-03/06/26 1930-0100 : Roadworks : Closed : offslip : onslip :, Start time: 02/06/2026 19:30 , End Date: 03/06/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 02/06/2026 19:30

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M4 : Eastbound : J47 Penllergaer : 03/06/26 1900-0000 : offslip : onslip : Closed :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 23 hours ago

Started Start time TBC Ended 2 Jun 2026, 23:05

Description: M4 : Eastbound : J47 Penllergaer : 03/06/26 1900-0000 : offslip : onslip : Closed :, Start time: 03/06/2026 19:00 , End Date: 03/06/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 29/05/2026 18:31

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M4 : Westbound : J48 Hendy to J49 Pont Abraham : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 5 days ago

Started Start time TBC Ended 29 May 2026, 17:15

Description: M4 : Westbound : J48 Hendy to J49 Pont Abraham : Congestion : Delays possible :, Start time: 29/05/2026 15:41 , Expected end time: 29/05/2026 19:41, Severity: Moderate, Source: Welsh Government, Last updated: 29/05/2026 15:41

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M4 : Now clear : Eastbound : J45 Ynysforgan to J42 Earlswood

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 5 days ago

Started Start time TBC Ended 29 May 2026, 16:30

Description: M4 : Now clear : Eastbound : J45 Ynysforgan to J42 Earlswood, Start time: 29/05/2026 17:16 , Expected end time: 29/05/2026 17:21, Severity: Moderate, Source: Welsh Government, Last updated: 29/05/2026 17:16

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M4 : Eastbound : J48 Hendy : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 28/05/26 1900-0100 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 6 days ago

Started Start time TBC Ended 28 May 2026, 00:05

Description: M4 : Eastbound : J48 Hendy : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 28/05/26 1900-0100 :, Start time: 28/05/2026 19:00 , End Date: 28/05/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/05/2026 12:57

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M4 : Westbound : J48 Hendy : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 27/05/26-28/05/26 1900-0100 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 6 days ago

Started Start time TBC Ended 28 May 2026, 00:05

Description: M4 : Westbound : J48 Hendy : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 27/05/26-28/05/26 1900-0100 :, Start time: 27/05/2026 19:00 , End Date: 28/05/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/05/2026 19:00

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M4 : Eastbound : J46 Llangyfelach : Carriageway maintenance : Road closed : Diversions in place : 21/05/26-22/05/26 1930-0100 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 1 week ago

Started Start time TBC Ended 22 May 2026, 00:05

Description: M4 : Eastbound : J46 Llangyfelach : Carriageway maintenance : Road closed : Diversions in place : 21/05/26-22/05/26 1930-0100 :, Start time: 21/05/2026 19:30 , End Date: 22/05/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 21/05/2026 19:30

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M4 : Westbound : J46 Llangyfelach : Carriageway maintenance : Road closed : Diversions in place : 20/05/26-21/05/26 1930-0100 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 1 week ago

Started Start time TBC Ended 21 May 2026, 00:05

Description: M4 : Westbound : J46 Llangyfelach : Carriageway maintenance : Road closed : Diversions in place : 20/05/26-21/05/26 1930-0100 :, Start time: 20/05/2026 19:30 , End Date: 21/05/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/05/2026 19:30

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M4 : Eastbound : J45 Ynysforgan to J44 Lon Las : Carriageway maintenance : Road closed : Diversions in place : 18/05/26-20/05/26 2000-0600 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 2 weeks ago

Started Start time TBC Ended 20 May 2026, 05:05

Description: M4 : Eastbound : J45 Ynysforgan to J44 Lon Las : Carriageway maintenance : Road closed : Diversions in place : 18/05/26-20/05/26 2000-0600 :, Start time: 18/05/2026 20:00 , End Date: 20/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/05/2026 20:00

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M4 : Now clear : Eastbound : J47 Penllergaer to J46 Llangyfelach

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 2 weeks ago

Started Start time TBC Ended 19 May 2026, 06:05

Description: M4 : Now clear : Eastbound : J47 Penllergaer to J46 Llangyfelach, Start time: 19/05/2026 5:37 , Expected end time: 19/05/2026 5:42, Severity: Road closure, Source: Welsh Government, Last updated: 19/05/2026 5:37

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M4 : Eastbound : J45 Ynysforgan : Onslip closed : 13/05/26-16/05/26 2000-0600 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 2 weeks ago

Started Start time TBC Ended 16 May 2026, 05:05

Description: M4 : Eastbound : J45 Ynysforgan : Onslip closed : 13/05/26-16/05/26 2000-0600 :, Start time: 13/05/2026 20:00 , End Date: 16/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/05/2026 20:00

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M4 : Eastbound : J45 Ynysforgan : Offslip closed : Onslip closed : 14/05/26-15/05/26 1900-0100 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 2 weeks ago

Started Start time TBC Ended 15 May 2026, 00:05

Description: M4 : Eastbound : J45 Ynysforgan : Offslip closed : Onslip closed : 14/05/26-15/05/26 1900-0100 :, Start time: 14/05/2026 19:00 , End Date: 15/05/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/05/2026 19:00

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M4 : Westbound : J45 Ynysforgan : 13/05/26-14/05/26 1900-0100 : Offslip closed : Onslip closed :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 2 weeks ago

Started Start time TBC Ended 14 May 2026, 00:05

Description: M4 : Westbound : J45 Ynysforgan : 13/05/26-14/05/26 1900-0100 : Offslip closed : Onslip closed :, Start time: 13/05/2026 19:00 , End Date: 14/05/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/05/2026 19:00

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M4 : Eastbound : J46 Llangyfelach to J45 Ynysforgan : Road closed : 06/05/26-07/05/26 2000-0600 : Diversions in place :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 3 weeks ago

Started Start time TBC Ended 7 May 2026, 05:05

Description: M4 : Eastbound : J46 Llangyfelach to J45 Ynysforgan : Road closed : 06/05/26-07/05/26 2000-0600 : Diversions in place :, Start time: 06/05/2026 20:00 , End Date: 07/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 06/05/2026 20:00

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M4 : Westbound : J45 Ynysforgan to J46 Llangyfelach : Road closed : 05/05/26-06/05/26 2000-0600 : Diversions in place :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 4 weeks ago

Started Start time TBC Ended 6 May 2026, 05:05

Description: M4 : Westbound : J45 Ynysforgan to J46 Llangyfelach : Road closed : 05/05/26-06/05/26 2000-0600 : Diversions in place :, Start time: 05/05/2026 20:00 , End Date: 06/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/05/2026 20:00

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M4 : Westbound : J44 Lon Las : Onslip closed : Offslip closed : 06/05/26 1900-0000 : Diversions in place :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 4 weeks ago

Started Start time TBC Ended 5 May 2026, 23:05

Description: M4 : Westbound : J44 Lon Las : Onslip closed : Offslip closed : 06/05/26 1900-0000 : Diversions in place :, Start time: 06/05/2026 19:00 , End Date: 06/05/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/05/2026 12:52

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M4 : Eastbound : J44 Lon Las : Offslip closed : Onslip closed : 05/05/26 1900-0000 : Diversions in place :

Cleared Roadworks Traffic Wales
Swansea

Cleared 2 months 4 weeks ago

Started Start time TBC Ended 4 May 2026, 23:05

Description: M4 : Eastbound : J44 Lon Las : Offslip closed : Onslip closed : 05/05/26 1900-0000 : Diversions in place :, Start time: 05/05/2026 19:00 , End Date: 05/05/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/05/2026 12:39

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M4 : Eastbound : J45 Ynysforgan : Exit slip road closed : Diversions in place : 29/04/26-30/04/26 2000-0600 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 3 months 4 days ago

Started Start time TBC Ended 30 Apr 2026, 05:05

Description: M4 : Eastbound : J45 Ynysforgan : Exit slip road closed : Diversions in place : 29/04/26-30/04/26 2000-0600 :, Start time: 29/04/2026 20:00 , End Date: 30/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 29/04/2026 20:00

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M4 : Now clear : Eastbound : J48 Hendy to J47 Penllergaer

Cleared Roadworks Traffic Wales
Swansea

Cleared 3 months 5 days ago

Started Start time TBC Ended 29 Apr 2026, 09:15

Description: M4 : Now clear : Eastbound : J48 Hendy to J47 Penllergaer, Start time: 29/04/2026 9:41 , Expected end time: 29/04/2026 9:46, Severity: Moderate, Source: Welsh Government, Last updated: 29/04/2026 9:41

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