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 : Eastbound : J44 Lon Las : Entry slip road closed : Diversions in place : 28/04/26-29/04/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 3 months 5 days ago
Description: M4 : Eastbound : J44 Lon Las : Entry slip road closed : Diversions in place : 28/04/26-29/04/26 2000-0600 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/04/2026 20:00
M4 : Now clear : Eastbound : J45 Ynysforgan to J43 Llandarcy
Cleared Roadworks Traffic WalesCleared 3 months 6 days ago
Description: M4 : Now clear : Eastbound : J45 Ynysforgan to J43 Llandarcy, Start time: 28/04/2026 9:30 , Expected end time: 28/04/2026 9:35, Severity: Moderate, Source: Welsh Government, Last updated: 28/04/2026 9:30
M4 : Westbound : J48 Hendy : offslip : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 months 1 week ago
Description: M4 : Westbound : J48 Hendy : offslip : Closed : Diversions in place :, Start time: 20/04/2026 20:00 , End Date: 24/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/04/2026 20:00
M4 : Westbound : J48 Hendy : Congestion : Delays possible :
Cleared Roadworks Traffic WalesCleared 3 months 1 week ago
Description: M4 : Westbound : J48 Hendy : Congestion : Delays possible :, Start time: 22/04/2026 17:30 , Expected end time: 22/04/2026 21:29, Severity: Moderate, Source: Welsh Government, Last updated: 22/04/2026 17:30
M4 : Eastbound : J48 Hendy : 15/04/26-17/04/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 months 2 weeks ago
Description: M4 : Eastbound : J48 Hendy : 15/04/26-17/04/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 15/04/2026 20:00 , End Date: 17/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/04/2026 20:00
M4 : Westbound : J48 Hendy : 14/04/26-15/04/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 months 2 weeks ago
Description: M4 : Westbound : J48 Hendy : 14/04/26-15/04/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 14/04/2026 20:00 , End Date: 15/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/04/2026 20:00
M4 : Eastbound : J45 Ynysforgan : 15/04/26 1900-0000 : Clearance work : Onslip closed : Offslip closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 months 2 weeks ago
Description: M4 : Eastbound : J45 Ynysforgan : 15/04/26 1900-0000 : Clearance work : Onslip closed : Offslip closed : Diversions in place :, Start time: 15/04/2026 19:00 , End Date: 15/04/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/04/2026 8:23
M4 : Eastbound : J46 Llangyfelach to J45 Ynysforgan : 13/04/26-14/04/26 2000-0600 : Carriageway maintenance : Entry slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 months 2 weeks ago
Description: M4 : Eastbound : J46 Llangyfelach to J45 Ynysforgan : 13/04/26-14/04/26 2000-0600 : Carriageway maintenance : Entry slip road closed : Diversions in place :, Start time: 13/04/2026 20:00 , End Date: 14/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/04/2026 20:00
M4 : Eastbound : J48 Hendy : 13/04/26 1900-2200 : Clearance work : Onslip closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 months 2 weeks ago
Description: M4 : Eastbound : J48 Hendy : 13/04/26 1900-2200 : Clearance work : Onslip closed : Diversions in place :, Start time: 13/04/2026 19:00 , End Date: 13/04/2026 22:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/04/2026 19:00
M4 : Eastbound : J47 Penllergaer : 13/04/26 1900-0000 : Clearance work : Onslip closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 3 months 3 weeks ago
Description: M4 : Eastbound : J47 Penllergaer : 13/04/26 1900-0000 : Clearance work : Onslip closed : Diversions in place :, Start time: 13/04/2026 19:00 , End Date: 13/04/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/04/2026 7:42
M4 : Now clear : Eastbound : J47 Penllergaer to J45 Ynysforgan
Cleared Roadworks Traffic WalesCleared 3 months 3 weeks ago
Description: M4 : Now clear : Eastbound : J47 Penllergaer to J45 Ynysforgan, Start time: 10/04/2026 17:49 , Expected end time: 10/04/2026 17:54, Severity: Moderate, Source: Welsh Government, Last updated: 10/04/2026 17:49
M4 : Now clear : Eastbound : J46 Llangyfelach to J45 Ynysforgan
Cleared Roadworks Traffic WalesCleared 3 months 3 weeks ago
Description: M4 : Now clear : Eastbound : J46 Llangyfelach to J45 Ynysforgan, Start time: 08/04/2026 18:13 , Expected end time: 08/04/2026 18:18, Severity: Moderate, Source: Welsh Government, Last updated: 08/04/2026 18:13
M4 : Now clear : Eastbound : J48 Hendy to J43 Llandarcy
Cleared Roadworks Traffic WalesCleared 3 months 4 weeks ago
Description: M4 : Now clear : Eastbound : J48 Hendy to J43 Llandarcy, Start time: 06/04/2026 18:05 , Expected end time: 06/04/2026 18:10, Severity: Moderate, Source: Welsh Government, Last updated: 06/04/2026 18:05
A483 : Both directions : j2 St johnstown to Gledrigd: Adverse weather conditions : Road closed :
Cleared Roadworks Traffic WalesCleared 3 months 4 weeks ago
Description: A483 : Both directions : j2 St johnstown to Gledrigd: Adverse weather conditions : Road closed :, Start time: 04/04/2026 21:42 , Expected end time: 05/04/2026 3:41, Severity: Road closure, Source: Welsh Government, Last updated: 04/04/2026 21:42
M4 : Westbound : J48 Hendy : Offslip closed : 31/03/26-02/04/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 1 day ago
Description: M4 : Westbound : J48 Hendy : Offslip closed : 31/03/26-02/04/26 2000-0600 :, Start time: 31/03/2026 20:00 , End Date: 02/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 31/03/2026 20:00
M4 : Eastbound : J48 Hendy : Offslip closed : 30/03/26-01/04/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 2 days ago
Description: M4 : Eastbound : J48 Hendy : Offslip closed : 30/03/26-01/04/26 2000-0600 :, Start time: 30/03/2026 20:00 , End Date: 01/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/03/2026 20:00
M4 : Westbound : J47 Penllergaer to J48 Hendy : Resurfacing work : Road closed : Diversions in place : 23/03/26-28/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 6 days ago
Description: M4 : Westbound : J47 Penllergaer to J48 Hendy : Resurfacing work : Road closed : Diversions in place : 23/03/26-28/03/26 2000-0600 :, Start time: 23/03/2026 20:00 , End Date: 28/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/03/2026 20:00
M4 : Eastbound : J44 Lon Las : Carriageway maintenance : Entry slip road closed : Diversions in place : 23/03/26-24/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 1 week ago
Description: M4 : Eastbound : J44 Lon Las : Carriageway maintenance : Entry slip road closed : Diversions in place : 23/03/26-24/03/26 2000-0600 :, Start time: 23/03/2026 20:00 , End Date: 24/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/03/2026 20:00
M4 : Westbound : J46 Llangyfelach to J47 Penllergaer : Road closed : Maintenance work : 18/03/26-19/03/26 2000-0600 :
Cleared Roadworks Traffic WalesCleared 4 months 2 weeks ago
Description: M4 : Westbound : J46 Llangyfelach to J47 Penllergaer : Road closed : Maintenance work : 18/03/26-19/03/26 2000-0600 :, Start time: 18/03/2026 20:00 , End Date: 19/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/03/2026 20:00
M4 : Eastbound : J47 Penllergaer : Onslip closed : 17/03/26 1930-0000 :
Cleared Roadworks Traffic WalesCleared 4 months 2 weeks ago
Description: M4 : Eastbound : J47 Penllergaer : Onslip closed : 17/03/26 1930-0000 :, Start time: 17/03/2026 19:30 , End Date: 17/03/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/03/2026 8:46
M4 : Eastbound : J48 Hendy : Onslip closed : 17/03/26 1900-0000 :
Cleared Roadworks Traffic WalesCleared 4 months 2 weeks ago
Description: M4 : Eastbound : J48 Hendy : Onslip closed : 17/03/26 1900-0000 :, Start time: 17/03/2026 19:00 , End Date: 17/03/2026 0:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/03/2026 8:46
M4 : Eastbound : J45 Ynysforgan : 26/02/26-04/03/26 2000-0600 : Surveys : Entry slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 4 months 4 weeks ago
Description: M4 : Eastbound : J45 Ynysforgan : 26/02/26-04/03/26 2000-0600 : Surveys : Entry slip road closed : Diversions in place :, Start time: 26/02/2026 20:00 , End Date: 04/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/02/2026 20:00
M4 : Eastbound : J47 Penllergaer : 27/02/26-28/02/26 1900-0900 : Carriageway maintenance : Offslip closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 5 months 6 days ago
Description: M4 : Eastbound : J47 Penllergaer : 27/02/26-28/02/26 1900-0900 : Carriageway maintenance : Offslip closed : Diversions in place :, Start time: 27/02/2026 19:00 , End Date: 28/02/2026 9:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/02/2026 19:00
M4 : Westbound : J47 Penllergaer to J48 Hendy : 25/02/26-27/02/26 1900-0600 : Carriageway maintenance : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 5 months 1 week ago
Description: M4 : Westbound : J47 Penllergaer to J48 Hendy : 25/02/26-27/02/26 1900-0600 : Carriageway maintenance : Closed : Diversions in place :, Start time: 25/02/2026 19:00 , End Date: 27/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/02/2026 19:00
A48 : Westbound : Briton Ferry to Earlswood : 24/02/26-26/02/26 2000-0600 : Maintenance work : Closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 5 months 1 week ago
Description: A48 : Westbound : Briton Ferry to Earlswood : 24/02/26-26/02/26 2000-0600 : Maintenance work : Closed : Diversions in place :, Start time: 24/02/2026 20:00 , End Date: 26/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/02/2026 20:00
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