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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144 archived incidents found
Filters applied: Region: swansea • Status: Cleared
M4 : Now open : Both directions : J45 Ynysforgan to J46 Llangyfelach
Cleared Roadworks Traffic WalesCleared 1 week 19 hours ago
Description: M4 : Now open : Both directions : J45 Ynysforgan to J46 Llangyfelach, Start time: 05/10/2026 0:35 , Expected end time: 04/10/2026 23:34, Severity: Road closure, Source: Welsh Government, Last updated: 05/10/2026 0:35
M4 : Now clear : Eastbound : J45 Ynysforgan to J44 Lon Las
Cleared Roadworks Traffic WalesCleared 1 week 3 days ago
Description: M4 : Now clear : Eastbound : J45 Ynysforgan to J44 Lon Las, Start time: 02/10/2026 13:20 , Expected end time: 02/10/2026 12:15, Severity: Moderate, Source: Welsh Government, Last updated: 02/10/2026 13:20
M4 : Now clear : Eastbound : J45 Ynysforgan to J44 Lon Las
Cleared Roadworks Traffic WalesCleared 1 week 3 days ago
Description: M4 : Now clear : Eastbound : J45 Ynysforgan to J44 Lon Las, Start time: 02/10/2026 12:10 , Expected end time: 02/10/2026 11:42, Severity: Moderate, Source: Welsh Government, Last updated: 02/10/2026 12:10
M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham
Cleared Roadworks Traffic WalesCleared 1 week 4 days ago
Description: M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham, Start time: 01/10/2026 9:20 , Expected end time: 01/10/2026 8:35, Severity: Moderate, Source: Welsh Government, Last updated: 01/10/2026 9:20
M4 : Now clear : Eastbound : J48 Hendy to J47 Penllergaer
Cleared Roadworks Traffic WalesCleared 1 week 4 days ago
Description: M4 : Now clear : Eastbound : J48 Hendy to J47 Penllergaer, Start time: 01/10/2026 9:21 , Expected end time: 01/10/2026 9:23, Severity: Moderate, Source: Welsh Government, Last updated: 01/10/2026 9:21
M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham
Cleared Roadworks Traffic WalesCleared 1 week 4 days ago
Description: M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham, Start time: 01/10/2026 9:00 , Expected end time: 01/10/2026 7:55, Severity: Moderate, Source: Welsh Government, Last updated: 01/10/2026 9:00
M4 : Westbound : J48 Hendy : 17/09/26-18/09/26 1900-0600 : Carriageway maintenance : Exit slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 weeks 3 days ago
Description: M4 : Westbound : J48 Hendy : 17/09/26-18/09/26 1900-0600 : Carriageway maintenance : Exit slip road closed : Diversions in place :, Start time: 17/09/2026 19:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/09/2026 19:00
M4 : Eastbound : J46 Llangyfelach to J45 Ynysforgan : 17/09/26-18/09/26 1900-0100 : Carriageway maintenance : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 weeks 3 days ago
Description: M4 : Eastbound : J46 Llangyfelach to J45 Ynysforgan : 17/09/26-18/09/26 1900-0100 : Carriageway maintenance : Closed : Diversions in place :, Start time: 17/09/2026 19:00 , End Date: 18/09/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/09/2026 19:00
M4 : Eastbound : J48 Hendy to J47 Penllergaer : 15/09/26-17/09/26 2000-0600 : Carriageway maintenance : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 weeks 4 days ago
Description: M4 : Eastbound : J48 Hendy to J47 Penllergaer : 15/09/26-17/09/26 2000-0600 : Carriageway maintenance : Closed : Diversions in place :, Start time: 15/09/2026 20:00 , End Date: 17/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/09/2026 20:00
M4 : Westbound : J44 Lon Las to J45 Ynysforgan : 16/09/26-17/09/26 1900-0100 : Carriageway maintenance : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 weeks 4 days ago
Description: M4 : Westbound : J44 Lon Las to J45 Ynysforgan : 16/09/26-17/09/26 1900-0100 : Carriageway maintenance : Closed : Diversions in place :, Start time: 16/09/2026 19:00 , End Date: 17/09/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/09/2026 19:00
M4 : Eastbound : J48 Hendy : Incident : Obstruction : onslip :
Cleared Roadworks Traffic WalesCleared 3 weeks 5 days ago
Description: M4 : Eastbound : J48 Hendy : Incident : Obstruction : onslip :, Start time: 16/09/2026 14:29 , Expected end time: 16/09/2026 15:29, Severity: Slight, Source: Welsh Government, Last updated: 16/09/2026 14:29
M4 : Now clear : Eastbound : J45 Ynysforgan
Cleared Roadworks Traffic WalesCleared 3 weeks 6 days ago
Description: M4 : Now clear : Eastbound : J45 Ynysforgan, Start time: 15/09/2026 9:22 , Expected end time: 15/09/2026 9:10, Severity: Moderate, Source: Welsh Government, Last updated: 15/09/2026 9:22
M4 : Westbound : J48 Hendy : 14/09/26-15/09/26 1900-0600 : Carriageway maintenance : Exit slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 weeks 6 days ago
Description: M4 : Westbound : J48 Hendy : 14/09/26-15/09/26 1900-0600 : Carriageway maintenance : Exit slip road closed : Diversions in place :, Start time: 14/09/2026 19:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/09/2026 19:00
M4 : Now clear : Westbound : J42 Earlswood to J45 Ynysforgan
Cleared Roadworks Traffic WalesCleared 1 month 1 day ago
Description: M4 : Now clear : Westbound : J42 Earlswood to J45 Ynysforgan, Start time: 11/09/2026 19:45 , Expected end time: 11/09/2026 18:42, Severity: Moderate, Source: Welsh Government, Last updated: 11/09/2026 19:45
M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham
Cleared Roadworks Traffic WalesCleared 1 month 1 day ago
Description: M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham, Start time: 11/09/2026 18:06 , Expected end time: 11/09/2026 18:07, Severity: Moderate, Source: Welsh Government, Last updated: 11/09/2026 18:06
M4 : Now clear : Westbound : J44 Lon Las to J45 Ynysforgan
Cleared Roadworks Traffic WalesCleared 1 month 1 day ago
Description: M4 : Now clear : Westbound : J44 Lon Las to J45 Ynysforgan, Start time: 11/09/2026 16:43 , Expected end time: 11/09/2026 16:25, Severity: Moderate, Source: Welsh Government, Last updated: 11/09/2026 16:43
M4 : Westbound : J44 Lon Las : Incident : Animals on carriageway : Onslip closed :
Cleared Roadworks Traffic WalesCleared 1 month 3 days ago
Description: M4 : Westbound : J44 Lon Las : Incident : Animals on carriageway : Onslip closed :, Start time: 09/09/2026 7:58 , Expected end time: 09/09/2026 8:28, Severity: Road closure, Source: Welsh Government, Last updated: 09/09/2026 7:58
M4 : Westbound : J44 Lon Las : Incident : Onslip closed : Animals on carriageway :
Cleared Roadworks Traffic WalesCleared 1 month 4 days ago
Description: M4 : Westbound : J44 Lon Las : Incident : Onslip closed : Animals on carriageway :, Start time: 08/09/2026 10:16 , Expected end time: 08/09/2026 11:01, Severity: Road closure, Source: Welsh Government, Last updated: 08/09/2026 10:16
M4 : Eastbound : J44 Lon Las : Offslip closed : 01/09/26-02/09/26 2000-0600 : Diversions in place :
Cleared Roadworks Traffic WalesCleared 1 month 1 week ago
Description: M4 : Eastbound : J44 Lon Las : Offslip closed : 01/09/26-02/09/26 2000-0600 : Diversions in place :, Start time: 01/09/2026 20:00 , End Date: 02/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
M4 : Now clear : Eastbound : J45 Ynysforgan to J43 Llandarcy
Cleared Roadworks Traffic WalesCleared 1 month 2 weeks ago
Description: M4 : Now clear : Eastbound : J45 Ynysforgan to J43 Llandarcy, Start time: 28/08/2026 18:39 , Expected end time: 28/08/2026 18:36, Severity: Moderate, Source: Welsh Government, Last updated: 28/08/2026 18:39
M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham
Cleared Roadworks Traffic WalesCleared 1 month 3 weeks ago
Description: M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham, Start time: 21/08/2026 18:07 , Expected end time: 21/08/2026 17:58, Severity: Moderate, Source: Welsh Government, Last updated: 21/08/2026 18:07
M4 : Westbound : J46 Llangyfelach to J47 Penllergaer : Carriageway maintenance : Road closed : Diversions in place : 20/08/26-21/08/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 1 month 3 weeks ago
Description: M4 : Westbound : J46 Llangyfelach to J47 Penllergaer : Carriageway maintenance : Road closed : Diversions in place : 20/08/26-21/08/26 2000-0600 :, Start time: 20/08/2026 20:00 , End Date: 21/08/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/08/2026 20:00
M4 : Eastbound : J47 Penllergaer : Incident : onslip : Road closed : Delays
Cleared Roadworks Traffic WalesCleared 1 month 3 weeks ago
Description: M4 : Eastbound : J47 Penllergaer : Incident : onslip : Road closed : Delays, Start time: 17/08/2026 8:35 , Expected end time: 17/08/2026 8:55, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 8:35
M4 : Now clear : Westbound : J48 Hendy to J49 Pont Abraham
Cleared Roadworks Traffic WalesCleared 1 month 4 weeks ago
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
M4 : Now clear : Eastbound : J47 Penllergaer to J43 Llandarcy
Cleared Roadworks Traffic WalesCleared 1 month 4 weeks ago
Description: M4 : Now clear : Eastbound : J47 Penllergaer to J43 Llandarcy, 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
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