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
3
Accidents and emergency closures right now
Active roadworks
81
Works and lane closures currently in force
Starting soon
273
Closures planned in the next 48 hours
Cleared today
136
Closures resolved in the past 24 hours
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357 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
A465 : Westbound : Baverstocks : Cyclic maintenance : Entry slip road closed : and Exit slip road closed : Diversions in place : 16/10/26-17/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A465 : Westbound : Baverstocks : Cyclic maintenance : Entry slip road closed : and Exit slip road closed : Diversions in place : 16/10/26-17/10/26 2000-0600 :, Start time: 16/10/2026 20:00 , End Date: 17/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:17
A470 : Southbound : Upper Boat to Nantgarw : Gas main work : 1 lane closed : Delays possible : 10/10/26-12/10/26 0930-1530 :
Active Roadworks Traffic WalesDescription: A470 : Southbound : Upper Boat to Nantgarw : Gas main work : 1 lane closed : Delays possible : 10/10/26-12/10/26 0930-1530 :, Start time: 10/10/2026 9:30 , End Date: 12/10/2026 15:30, Severity: Moderate, Source: Welsh Government, Last updated: 10/10/2026 9:30
A494 : Eastbound : A55 J33B Ewloe to Ewloe : Roadworks : Road closed : Diversions in place : 11/10/26-23/10/26 1900-0600 :
Active Roadworks Traffic WalesDescription: A494 : Eastbound : A55 J33B Ewloe to Ewloe : Roadworks : Road closed : Diversions in place : 11/10/26-23/10/26 1900-0600 :, Start time: 11/10/2026 19:00 , End Date: 23/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/10/2026 19:00
A55 : Westbound : J20 Brompton Avenue : Roadworks : Entry slip road closed : Diversions in place : 12/10/26-13/10/26 1900-0600 :
Active Roadworks Traffic WalesDescription: A55 : Westbound : J20 Brompton Avenue : Roadworks : Entry slip road closed : Diversions in place : 12/10/26-13/10/26 1900-0600 :, Start time: 12/10/2026 19:00 , End Date: 13/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 14:13
A458 : Both directions : Buttington : Roadworks : Road closed : Diversions in place : 13/10/26-14/10/26 2330-0630 :
Active Roadworks Traffic WalesDescription: A458 : Both directions : Buttington : Roadworks : Road closed : Diversions in place : 13/10/26-14/10/26 2330-0630 :, Start time: 13/10/2026 23:30 , End Date: 14/10/2026 6:30, Severity: Road closure, Source: Welsh Government, Last updated: 10/10/2026 10:04
A465 : Westbound : Cefn Coed : Cyclic maintenance : and Entry slip road closed : Exit slip road closed : Diversions in place : 14/10/26-15/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A465 : Westbound : Cefn Coed : Cyclic maintenance : and Entry slip road closed : Exit slip road closed : Diversions in place : 14/10/26-15/10/26 2000-0600 :, Start time: 14/10/2026 20:00 , End Date: 15/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:18
A465 : Eastbound : Cefn Coed : Cyclic maintenance : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A465 : Eastbound : Cefn Coed : Cyclic maintenance : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :, Start time: 15/10/2026 20:00 , End Date: 16/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:19
A465 : Eastbound : Rassau : Roadworks : Exit slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A465 : Eastbound : Rassau : Roadworks : Exit slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :, Start time: 15/10/2026 20:00 , End Date: 16/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:21
A465 : Both directions : Glynneath : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-22/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A465 : Both directions : Glynneath : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-22/10/26 2000-0600 :, Start time: 15/10/2026 20:00 , End Date: 22/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:22
A465 : Both directions : Pant Ind Est : Cyclic maintenance : Entry slip road closed : and Exit slip road closed : Diversions in place : 12/10/26-14/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A465 : Both directions : Pant Ind Est : Cyclic maintenance : Entry slip road closed : and Exit slip road closed : Diversions in place : 12/10/26-14/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 14/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:23
M4 : Westbound : J38 Margam : Roadworks : Exit slip road closed : Diversions in place : 12/10/26-17/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J38 Margam : Roadworks : Exit slip road closed : Diversions in place : 12/10/26-17/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 17/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:10
M4 : Westbound : J39 Groes : Roadworks : Entry slip road closed : Diversions in place : 12/10/26-17/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J39 Groes : Roadworks : Entry slip road closed : Diversions in place : 12/10/26-17/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 17/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:11
M4 : Eastbound : J42 Earlswood : Roadworks : Exit slip road closed : Diversions in place : 14/10/26-16/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J42 Earlswood : Roadworks : Exit slip road closed : Diversions in place : 14/10/26-16/10/26 2000-0600 :, Start time: 14/10/2026 20:00 , End Date: 16/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:12
M4 : Eastbound : J43 Llandarcy : Roadworks : Entry slip road closed : Diversions in place : 14/10/26-16/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J43 Llandarcy : Roadworks : Entry slip road closed : Diversions in place : 14/10/26-16/10/26 2000-0600 :, Start time: 14/10/2026 20:00 , End Date: 16/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:13
M4 : Westbound : J46 Llangyfelach : Roadworks : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J46 Llangyfelach : Roadworks : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :, Start time: 15/10/2026 20:00 , End Date: 16/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:15
M4 : Westbound : J47 Penllergaer : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 13/10/26-15/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J47 Penllergaer : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 13/10/26-15/10/26 2000-0600 :, Start time: 13/10/2026 20:00 , End Date: 15/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:16
M4 : Westbound : J27 High Cross : Roadworks : Entry slip road closed : Diversions in place : 12/10/26-13/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J27 High Cross : Roadworks : Entry slip road closed : Diversions in place : 12/10/26-13/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 13/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:07
M4 : Eastbound : J28 Tredegar Park to J24 Coldra : Roadworks : Road closed : Diversions in place : 11/10/26-17/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J28 Tredegar Park to J24 Coldra : Roadworks : Road closed : Diversions in place : 11/10/26-17/10/26 2000-0600 :, Start time: 11/10/2026 20:00 , End Date: 17/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/10/2026 20:00
M4 : Westbound : J32 Coryton : Roadworks : Entry slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J32 Coryton : Roadworks : Entry slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :, Start time: 15/10/2026 20:00 , End Date: 16/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:09
M4 : Eastbound : J23 Rogiet : Roadworks : Road closed : Entry slip road closed : Diversions in place : 13/10/26-14/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J23 Rogiet : Roadworks : Road closed : Entry slip road closed : Diversions in place : 13/10/26-14/10/26 2000-0600 :, Start time: 13/10/2026 20:00 , End Date: 14/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:02
M4 : Eastbound : J23A Magor : Roadworks : Exit slip road closed : Diversions in place : 13/10/26-15/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J23A Magor : Roadworks : Exit slip road closed : Diversions in place : 13/10/26-15/10/26 2000-0600 :, Start time: 13/10/2026 20:00 , End Date: 15/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:03
M4 : Eastbound : J24 Coldra : Roadworks : Entry slip road closed : Diversions in place : 13/10/26-15/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J24 Coldra : Roadworks : Entry slip road closed : Diversions in place : 13/10/26-15/10/26 2000-0600 :, Start time: 13/10/2026 20:00 , End Date: 15/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 13:04
A487 : Both directions : Dinas Cross : Roadworks : Road closed : Diversions in place : 14/10/26-20/10/26 0600 :
Active Roadworks Traffic WalesDescription: A487 : Both directions : Dinas Cross : Roadworks : Road closed : Diversions in place : 14/10/26-20/10/26 0600 :, Start time: 14/10/2026 6:00 , End Date: 20/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 12:14
A470 : Southbound : Coryton : Roadworks : Exit slip road closed : Diversions in place : 12/10/26-13/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A470 : Southbound : Coryton : Roadworks : Exit slip road closed : Diversions in place : 12/10/26-13/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 13/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 12:09
A40 : Northbound : A40 Welsh Border to Monmouth Dixton R/bout : Resurfacing work : Road closed : Diversions in place : 12/10/26-13/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A40 : Northbound : A40 Welsh Border to Monmouth Dixton R/bout : Resurfacing work : Road closed : Diversions in place : 12/10/26-13/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 13/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 12:02
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