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
1
Accidents and emergency closures right now
Active roadworks
22
Works and lane closures currently in force
Starting soon
33
Closures planned in the next 48 hours
Cleared today
707
Closures resolved in the past 24 hours
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56 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.
Live incident closures
A55 : Both directions : Britannia Bridge : Speed limit 30 mph : Due to high winds : Until further notice
Active Incident Traffic WalesDescription: A55 : Both directions : Britannia Bridge : Speed limit 30 mph : Due to high winds : Until further notice, Start time: 27/10/2026 15:35 , Expected end time: 28/10/2026 15:35, Severity: Slight, Source: Welsh Government, Last updated: 27/10/2026 15:35
Roadworks in force now
A479 : Both directions : Cwmdu : Road closed : 02/11/26-15/11/26 0800-1700 : Diversions in place : Resurfacing work :
Active Roadworks Traffic WalesDescription: A479 : Both directions : Cwmdu : Road closed : 02/11/26-15/11/26 0800-1700 : Diversions in place : Resurfacing work :, Start time: 02/11/2026 8:00 , End Date: 15/11/2026 17:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/10/2026 17:15
A479 : Both directions : Talgarth to Cwmdu : Cyclic maintenance : Road closed : Diversion : 02/11/26-06/11/26 0800-1700 :
Active Roadworks Traffic WalesDescription: A479 : Both directions : Talgarth to Cwmdu : Cyclic maintenance : Road closed : Diversion : 02/11/26-06/11/26 0800-1700 :, Start time: 02/11/2026 8:00 , End Date: 06/11/2026 17:00, Severity: Road closure, Source: Welsh Government, Last updated: 21/10/2026 13:04
A40 : Both directions : Pontargothi : Clearance work : Road closed : Diversions in place : 28/10/26 0930-1500 :
Active Roadworks Traffic WalesDescription: A40 : Both directions : Pontargothi : Clearance work : Road closed : Diversions in place : 28/10/26 0930-1500 :, Start time: 28/10/2026 9:30 , End Date: 28/10/2026 15:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/10/2026 9:26
M4 : Eastbound : J47 Penllergaer : Carriageway maintenance : Entry slip road closed : Diversions in place : 30/10/26-31/10/26 2000-0900 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J47 Penllergaer : Carriageway maintenance : Entry slip road closed : Diversions in place : 30/10/26-31/10/26 2000-0900 :, Start time: 30/10/2026 20:00 , End Date: 31/10/2026 9:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/10/2026 15:43
M4 : Westbound : J46 Llangyfelach : Carriageway maintenance : Entry slip road closed : Exit slip road closed : Diversions in place : 27/10/26-29/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J46 Llangyfelach : Carriageway maintenance : Entry slip road closed : Exit slip road closed : Diversions in place : 27/10/26-29/10/26 2000-0600 :, Start time: 27/10/2026 20:00 , End Date: 29/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/10/2026 20:00
A470 : Southbound : Nantgarw : Carriageway maintenance : Exit slip road closed : Diversions in place : 29/10/26-30/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A470 : Southbound : Nantgarw : Carriageway maintenance : Exit slip road closed : Diversions in place : 29/10/26-30/10/26 2000-0600 :, Start time: 29/10/2026 20:00 , End Date: 30/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/10/2026 15:44
M4 : Westbound : J38 Margam : Cyclic maintenance : Exit slip road closed : 26/10/26-31/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J38 Margam : Cyclic maintenance : Exit slip road closed : 26/10/26-31/10/26 2000-0600 :, Start time: 26/10/2026 20:00 , End Date: 31/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/10/2026 20:00
M4 : Westbound : J39 Groes : Carriageway maintenance : Entry slip road closed : Diversions in place : 26/10/26-31/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J39 Groes : Carriageway maintenance : Entry slip road closed : Diversions in place : 26/10/26-31/10/26 2000-0600 :, Start time: 26/10/2026 20:00 , End Date: 31/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/10/2026 20:00
M4 : Eastbound : J32 Coryton : Carriageway maintenance : Entry slip road closed : Diversions in place : 26/10/26-31/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Eastbound : J32 Coryton : Carriageway maintenance : Entry slip road closed : Diversions in place : 26/10/26-31/10/26 2000-0600 :, Start time: 26/10/2026 20:00 , End Date: 31/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/10/2026 20:00
M4 : Westbound : J24 Coldra to J28 Tredegar Park : Carriageway maintenance : Road closed : Diversions in place : 25/10/26-30/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J24 Coldra to J28 Tredegar Park : Carriageway maintenance : Road closed : Diversions in place : 25/10/26-30/10/26 2000-0600 :, Start time: 25/10/2026 20:00 , End Date: 30/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 25/10/2026 20:00
A4076 : Both directions : Steynton : Resurfacing work : Road closed : Diversions in place : 29/10/26-14/11/26 2000-0500 :
Active Roadworks Traffic WalesDescription: A4076 : Both directions : Steynton : Resurfacing work : Road closed : Diversions in place : 29/10/26-14/11/26 2000-0500 :, Start time: 29/10/2026 20:00 , End Date: 14/11/2026 5:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 12:04
A40 : Southbound : Gibraltar Tunnels : Road closed : Contraflow via Northbound : 28/10/26-18/12/26 1900-0700 : Slow moving vehicles
Active Roadworks Traffic WalesDescription: A40 : Southbound : Gibraltar Tunnels : Road closed : Contraflow via Northbound : 28/10/26-18/12/26 1900-0700 : Slow moving vehicles, Start time: 28/10/2026 19:00 , End Date: 18/12/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/10/2026 10:25
A55 : Both directions : J12 Tal y Bont to J11 Llys y Gwynt - westbound / eastbound – Lane 1 (incl staggered closures on all slips at J11 and J12) 28/10/26-30/10/26 1900-0600 :
Active Roadworks Traffic WalesDescription: A55 : Both directions : J12 Tal y Bont to J11 Llys y Gwynt - westbound / eastbound – Lane 1 (incl staggered closures on all slips at J11 and J12) 28/10/26-30/10/26 1900-0600 :, Start time: 28/10/2026 19:00 , End Date: 30/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/10/2026 12:59
A55 : Westbound : Penmaenbach Tunnel : Closed : Contraflow via Headland : Width limit 3.2m : 27/10/26-28/10/26 1900-0700 :
Active Roadworks Traffic WalesDescription: A55 : Westbound : Penmaenbach Tunnel : Closed : Contraflow via Headland : Width limit 3.2m : 27/10/26-28/10/26 1900-0700 :, Start time: 27/10/2026 19:00 , End Date: 28/10/2026 7:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/10/2026 19:00
M4 : Westbound : J35 Pencoed to J36 Sarn : Road closed : 27/10/26-30/10/26 2000-0600 : Diversions in place :
Active Roadworks Traffic WalesDescription: M4 : Westbound : J35 Pencoed to J36 Sarn : Road closed : 27/10/26-30/10/26 2000-0600 : Diversions in place :, Start time: 27/10/2026 20:00 , End Date: 30/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/10/2026 20:00
A55 : Both directions :J12 Tal y Bont to J14 Madryn Interchange - eastbound Lane 1. (incl staggered closures on all slips at J14 and J13) 27/10/26-28/10/26 1900-0600 :
Active Roadworks Traffic WalesDescription: A55 : Both directions :J12 Tal y Bont to J14 Madryn Interchange - eastbound Lane 1. (incl staggered closures on all slips at J14 and J13) 27/10/26-28/10/26 1900-0600 :, Start time: 27/10/2026 19:00 , End Date: 28/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/10/2026 19:00
A40 : Both directions : Llandovery : Roadworks : 1 lane closed : Delays 26/10/26-30/10/26 0830-1800 :
Active Roadworks Traffic WalesDescription: A40 : Both directions : Llandovery : Roadworks : 1 lane closed : Delays 26/10/26-30/10/26 0830-1800 :, Start time: 26/10/2026 8:30 , End Date: 30/10/2026 18:00, Severity: Moderate, Source: Welsh Government, Last updated: 26/10/2026 8:30
A470 : Southbound : Cefn coed to Merthyr Tydfil : Roadworks : Road closed : Diversions in place 27/10/26-28/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: A470 : Southbound : Cefn coed to Merthyr Tydfil : Roadworks : Road closed : Diversions in place 27/10/26-28/10/26 2000-0600 :, Start time: 27/10/2026 20:00 , End Date: 28/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/10/2026 20:00
A5 : Both directions : Llangollen : Carriageway maintenance : Speed restrictions Temporary traffic lights : 22/10/26-01/11/26 1800-0600 :
Active Roadworks Traffic WalesDescription: A5 : Both directions : Llangollen : Carriageway maintenance : Speed restrictions Temporary traffic lights : 22/10/26-01/11/26 1800-0600 :, Start time: 22/10/2026 18:00 , End Date: 01/11/2026 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 22/10/2026 18:00
M48 : Both directions : Dewstoe overbridge to Crick overbridge : 20/10/26-31/03/27 2000-0600 : Improvement work : Lane closed :
Active Roadworks Traffic WalesDescription: M48 : Both directions : Dewstoe overbridge to Crick overbridge : 20/10/26-31/03/27 2000-0600 : Improvement work : Lane closed :, Start time: 20/10/2026 20:00 , End Date: 31/03/2027 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 20/10/2026 20:00
A483 : Both directions : Newtown to Welshpool : 19/10/26-18/11/26 2000-0600 : Improvement work : Closed : Diversions in place :
Active Roadworks Traffic WalesDescription: A483 : Both directions : Newtown to Welshpool : 19/10/26-18/11/26 2000-0600 : Improvement work : Closed : Diversions in place :, Start time: 19/10/2026 20:00 , End Date: 18/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/10/2026 20:00
A483 : Both directions : Abermule : 19/10/26-18/11/26 2000-0600 : Carriageway maintenance : Closed : Diversions in place :
Active Roadworks Traffic WalesDescription: A483 : Both directions : Abermule : 19/10/26-18/11/26 2000-0600 : Carriageway maintenance : Closed : Diversions in place :, Start time: 19/10/2026 20:00 , End Date: 18/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/10/2026 20:00
Starting in the next 48 hours
M180 eastbound Jct 1 to Jct 2 lane 2 and 3 closure (7/3 - 10/8)
Planned Roadworks National HighwaysStarts in 4 hours 53 minutes
M180 eastbound Jct 1 to Jct 2 lane 2 and 3 closure (7/3 - 10/8)
Mobile hardshoulder closure southbound
Planned Roadworks National HighwaysStarts in 6 hours 53 minutes
Mobile hardshoulder closure southbound
Road closures by road
Every motorway and major road with closures in the last six months. Each page shows today's accidents, tonight's closures, roadworks in force and the road's closure history.
Motorways
A roads
- A1 1
- A2
- A3
- A4
- A5
- A6
- A10
- A11
- A12
- A13
- A14 1
- A19
- A20
- A21
- A23
- A26
- A27 1
- A30
- A31
- A33
- A34
- A35
- A36
- A38 1
- A40 1
- A41
- A42
- A43
- A45
- A46
- A47 1
- A49
- A50
- A52
- A55
- A56
- A57
- A59
- A61
- A62
- A63 1
- A64
- A66
- A69
- A120
- A127
- A140
- A141
- A160
- A162
- A167
- A168
- A169
- A174 1
- A180
- A182
- A183
- A184
- A191
- A194
- A249
- A259
- A272
- A278
- A282
- A303
- A308
- A312
- A316
- A333
- A338
- A404
- A412
- A414
- A417
- A419
- A421
- A423
- A428
- A446
- A449
- A452
- A453
- A483
- A500
- A511
- A534
- A550
- A552
- A556
- A585
- A590
- A595
- A603
- A616
- A628
- A629
- A630
- A631
- A638
- A642
- A659
- A663
- A683
- A690
- A696
- A1023
- A1033
- A1053
- A1079
- A1089
- A1198
- A1307
- A2070
- A3113
- A4008
- A4280
- A4510
- A4538
- A5032
- A5036
- A5076
- A5103
- A5111
- A5117
- A5123
- A5148
- A5758
- A6055
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