Live road closures & traffic incidents
Stuck in traffic? Check whether the road you are on is closed right now. Live accident and emergency closures from National Highways and Traffic Wales are listed first, followed by roadworks in force and closures starting in the next 48 hours.
Live incidents
4
Accidents and emergency closures right now
Active roadworks
70
Works and lane closures currently in force
Starting soon
226
Closures planned in the next 48 hours
Cleared today
361
Closures resolved in the past 24 hours
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300 live and upcoming closures
Live incident closures are listed first, followed by roadworks currently in force, then closures starting in the next 48 hours. Zoom the map or filter the list to focus on a specific region or corridor.
Roadworks in force now
A487 : Both directions : Llanrhystud : Road closed : Resurfacing work : Diversions in place : 07/09/26-18/09/26 1900-0600 :
Active Roadworks Traffic WalesDescription: A487 : Both directions : Llanrhystud : Road closed : Resurfacing work : Diversions in place : 07/09/26-18/09/26 1900-0600 :, Start time: 07/09/2026 19:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 16:09
M4 : Eastbound : J38 Margam to J37 Pyle : Road closed : Carriageway maintenance : 02/09/26-03/09/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J38 Margam to J37 Pyle : Road closed : Carriageway maintenance : 02/09/26-03/09/26 2000-0600 :, Start time: 02/09/2026 20:00 , End Date: 03/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/08/2026 17:30
M4 : Westbound : J43 Llandarcy : Offslip closed : 03/09/26-04/09/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J43 Llandarcy : Offslip closed : 03/09/26-04/09/26 2000-0600 : Diversions in place :, Start time: 03/09/2026 20:00 , End Date: 04/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/08/2026 17:31
M4 : Eastbound : J33 Capel Llanilltern : Onslip closed : 03/09/26-06/09/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J33 Capel Llanilltern : Onslip closed : 03/09/26-06/09/26 2000-0600 : Diversions in place :, Start time: 03/09/2026 20:00 , End Date: 06/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/08/2026 17:25
M4 : Westbound : J32 Coryton : Onslip closed : Offslip closed : 01/09/26-03/09/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J32 Coryton : Onslip closed : Offslip closed : 01/09/26-03/09/26 2000-0600 : Diversions in place :, Start time: 01/09/2026 20:00 , End Date: 03/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
M4 : Eastbound : J32 Coryton : Offslip closed : Onslip closed : 03/09/26-06/09/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J32 Coryton : Offslip closed : Onslip closed : 03/09/26-06/09/26 2000-0600 : Diversions in place :, Start time: 03/09/2026 20:00 , End Date: 06/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/08/2026 17:23
M4 : Eastbound : J28 Tredegar Park : Offslip closed : 03/09/26-06/09/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J28 Tredegar Park : Offslip closed : 03/09/26-06/09/26 2000-0600 : Diversions in place :, Start time: 03/09/2026 20:00 , End Date: 06/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 28/08/2026 17:24
M4 : Westbound : J30 Cardiff Gate : Onslip closed : 01/09/26-03/09/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J30 Cardiff Gate : Onslip closed : 01/09/26-03/09/26 2000-0600 : Diversions in place :, Start time: 01/09/2026 20:00 , End Date: 03/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
A465 : Northbound : Aberdulais to Resolven : Road closed : Resurfacing work : 01/09/26-05/09/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: A465 : Northbound : Aberdulais to Resolven : Road closed : Resurfacing work : 01/09/26-05/09/26 2000-0600 : Diversions in place :, Start time: 01/09/2026 20:00 , End Date: 05/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
A55 : Westbound : J28 Waen/Rhuallt : Offslip closed : Onslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :
Active Roadworks Traffic WalesDescription: A55 : Westbound : J28 Waen/Rhuallt : Offslip closed : Onslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :, Start time: 01/09/2026 20:00 , End Date: 03/09/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
A55 : Westbound : J9 Treborth : Offslip closed : Onslip closed : 02/09/26 1800-2355 : Cyclic maintenance :
Active Roadworks Traffic WalesDescription: A55 : Westbound : J9 Treborth : Offslip closed : Onslip closed : 02/09/26 1800-2355 : Cyclic maintenance :, Start time: 02/09/2026 18:00 , End Date: 02/09/2026 23:55, Severity: Road closure, Source: Welsh Government, Last updated: 28/08/2026 14:15
A55 : Westbound : J10 Caernarfon Road : Offslip closed : Onslip closed : 02/09/26 1800-2355 : Cyclic maintenance :
Active Roadworks Traffic WalesDescription: A55 : Westbound : J10 Caernarfon Road : Offslip closed : Onslip closed : 02/09/26 1800-2355 : Cyclic maintenance :, Start time: 02/09/2026 18:00 , End Date: 02/09/2026 23:55, Severity: Road closure, Source: Welsh Government, Last updated: 28/08/2026 14:17
A55 : Westbound : J27 St Asaph : Offslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :
Active Roadworks Traffic WalesDescription: A55 : Westbound : J27 St Asaph : Offslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :, Start time: 01/09/2026 20:00 , End Date: 03/09/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
A55 : Eastbound : J28 Waen/Rhuallt : Offslip closed : Onslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :
Active Roadworks Traffic WalesDescription: A55 : Eastbound : J28 Waen/Rhuallt : Offslip closed : Onslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :, Start time: 01/09/2026 20:00 , End Date: 03/09/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
A55 : Eastbound : J27 St Asaph : Onslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :
Active Roadworks Traffic WalesDescription: A55 : Eastbound : J27 St Asaph : Onslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :, Start time: 01/09/2026 20:00 , End Date: 03/09/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
A55 : Westbound : J27A Pont Dafydd : Offslip closed : Onslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :
Active Roadworks Traffic WalesDescription: A55 : Westbound : J27A Pont Dafydd : Offslip closed : Onslip closed : 01/09/26-03/09/26 2000-0700 : Cyclic maintenance :, Start time: 01/09/2026 20:00 , End Date: 03/09/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
A483 : Northbound : J4 Ruthin Road (A525) Interchange : Carriageway maintenance : Offslip closed : Carriageway reduced to one lane : 01/09/26-04/09/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A483 : Northbound : J4 Ruthin Road (A525) Interchange : Carriageway maintenance : Offslip closed : Carriageway reduced to one lane : 01/09/26-04/09/26 2000-0600 :, Start time: 01/09/2026 20:00 , End Date: 04/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 20:00
A40 : Both directions : Scethrog to Llanhamlach : Structural inspections : Road closed : Diversions in place : 02/09/26 1900-2300 :
Active Roadworks Traffic WalesDescription: A40 : Both directions : Scethrog to Llanhamlach : Structural inspections : Road closed : Diversions in place : 02/09/26 1900-2300 :, Start time: 02/09/2026 19:00 , End Date: 02/09/2026 23:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/08/2026 15:30
A465 : Both directions : Resolven to Aberdulais : Improvement work : Lane closed : Speed restriction : 26/08/26-30/09/26 0000-2355 :
Active Roadworks Traffic WalesDescription: A465 : Both directions : Resolven to Aberdulais : Improvement work : Lane closed : Speed restriction : 26/08/26-30/09/26 0000-2355 :, Start time: 26/08/2026 0:00 , End Date: 30/09/2026 23:55, Severity: Moderate, Source: Welsh Government, Last updated: 26/08/2026 7:41
A458 : Both directions : Buttington to A483 Interchange : Resurfacing work : Road closed : Diversions in place : 01/09/26-09/09/26 1900-0600 :
Active Roadworks Traffic WalesDescription: A458 : Both directions : Buttington to A483 Interchange : Resurfacing work : Road closed : Diversions in place : 01/09/26-09/09/26 1900-0600 :, Start time: 01/09/2026 19:00 , End Date: 09/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 01/09/2026 19:00
A470 : Northbound : Taff's Well : 17/08/26-07/09/26 2000-0600 : Improvement work : Entry slip road closed : Diversions in place :
Active Roadworks Traffic WalesDescription: A470 : Northbound : Taff's Well : 17/08/26-07/09/26 2000-0600 : Improvement work : Entry slip road closed : Diversions in place :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
A470 : Northbound : Taff's Well : Carriageway maintenance : Exit slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A470 : Northbound : Taff's Well : Carriageway maintenance : Exit slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
A470 : Both directions : Taff's Well : Carriageway maintenance : Entry slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A470 : Both directions : Taff's Well : Carriageway maintenance : Entry slip road closed : Diversions in place : 17/08/26-07/09/26 2000-0600 :, Start time: 17/08/2026 20:00 , End Date: 07/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/08/2026 20:00
: Both directions : Abergavenny Hardwick R/bout to Raglan : Bridge closed Local lanes closed : 06/07/26-14/09/26 0600 :
Active Roadworks Traffic WalesDescription: : Both directions : Abergavenny Hardwick R/bout to Raglan : Bridge closed Local lanes closed : 06/07/26-14/09/26 0600 :, Start time: 06/07/2026 6:00 , End Date: 14/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/07/2026 13:20
Starting in the next 48 hours
Hardshoulder closure southbound
Planned Roadworks National HighwaysStarts in 33 minutes 43 seconds
Hardshoulder closure southbound
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