Live traffic alerts A55 : Both directions : Britannia Bridge : Speed limit 30 mph : Due to high winds : Until further notice Start 25/02/2026 End 26/02/2026 M4 : Eastbound : J36 Sarn : 23/02/26-28/02/26 2000-0600 : Clearance work : Entry slip road closed : Diversions in place : Start 23/02/2026 End 28/02/2026 M4 : Eastbound : J45 Ynysforgan : 26/02/26-04/03/26 2000-0600 : Surveys : Entry slip road closed : Diversions in place : Start 26/02/2026 End 04/03/2026 M4 : Westbound : J43 Llandarcy : 26/02/26-27/02/26 2000-0600 : Clearance work : Entry slip road closed : Diversions in place : Start 26/02/2026 End 27/02/2026 A494 : Both directions : New Brighton to Mold (Wylfa Roundabout) : 26/02/26-27/02/26 : Closed : Diversions in place : Start 26/02/2026 End 27/02/2026 M4 : Eastbound : J28 Tredegar Park to J26 Malpas : 25/02/26-27/02/26 2000-0600 : Structural inspections : Closed : Diversions in place : Start 25/02/2026 End 27/02/2026 M4 : Westbound : J47 Penllergaer to J48 Hendy : 25/02/26-27/02/26 1900-0600 : Carriageway maintenance : Closed : Diversions in place : Start 25/02/2026 End 27/02/2026 A494 : Both directions : Mold Bypass : Road closed : Carriageway maintenance : 25/02/26-27/02/26 1900-0600 : Start 25/02/2026 End 27/02/2026 A465 : Westbound : Rhymney : 24/02/26-28/02/26 2000-0600 : Maintenance work : Entry slip road closed : Exit slip road closed : Diversions in place : Start 24/02/2026 End 28/02/2026 A465 : Both directions : Dowlais Top to Tredegar : Carriageway maintenance : Road closed : Diversions in place : 24/02/26-03/03/26 2000-0600 : Start 24/02/2026 End 03/03/2026 A55 : Eastbound : J23 Llanddulas to J24 Faenol : Resurfacing work : Road closed : Diversions in place : 24/02/26-27/02/26 2000-0600 : Start 24/02/2026 End 27/02/2026 M4 : Westbound : J23A Magor : 23/02/26-27/02/26 2100-0600 : Carriageway maintenance : Entry slip road closed : Diversions in place : Start 23/02/2026 End 27/02/2026 M4 : Eastbound : J35 Pencoed : 23/02/26-28/02/26 2000-0600 : Clearance work : Exit slip road closed : Diversions in place : Start 23/02/2026 End 28/02/2026 A483 : Both directions : Rhosmaen Street : 23/02/26-27/02/26 2000-0630 : Improvement work : Closed : Diversions in place : Start 23/02/2026 End 27/02/2026 A483 : Both directions : Ffairfach to Llandeilo : 23/02/26-28/02/26 1900-0200 : Emergency work : Closed : Diversions in place : Start 23/02/2026 End 28/02/2026 A470 : Both directions : Mallwyd : Carriageway maintenance : Road closed : Diversions in place : 23/02/26-13/03/26 1900-0600 : Start 23/02/2026 End 13/03/2026 A483 : Both directions : Rhosmaen Street, Llandeilo : Roadworks : Road closed : Diversions in place : 23/02/26-27/02/26 0800-0630 : Start 23/02/2026 End 27/02/2026 A55 : Eastbound : J34 Ewloe Loop to J35 Dobs Hill : 22/02/26-16/03/26 2000-0600 : Closed : Diversions in place : Resurfacing work : Start 22/02/2026 End 16/03/2026 A55 : Eastbound : J35 Dobs Hill : onslip : Resurfacing work : Closed : Diversions in place : 22/02/26-16/03/26 2000-0600 : Start 22/02/2026 End 16/03/2026 A494 : Eastbound : Ewloe : onslip : Closed : Diversions in place : Resurfacing work : 22/02/26-16/03/26 2000-0600 : Start 22/02/2026 End 16/03/2026 A55 : Westbound : J9 Treborth : 16/02/26-28/02/26 2000-0500 : Resurfacing work : Entry slip road closed : Diversions in place : Start 16/02/2026 End 28/02/2026 M4 : Both directions : J37 Pyle to J42 Earlswood : Cyclic maintenance : 1 lane closed on M4 : Entry/Exit slip roads closed : Diversions in place : 25/01/26-01/04/26 2000-0600 : Start 25/01/2026 End 01/04/2026 A487 : Both directions : Aberystwyth Commins Coch : Improvement work : Temporary traffic lights : 02/02/26-23/06/26 0900-1600 : Start 02/02/2026 End 23/06/2026 OF View more live traffic alerts Latest videos What to do if you think your vehicle is on fire in or near a tunnel? | Tunnel Safety Tips Beth i'w wneud os ydych chi'n meddwl bod eich cerbyd ar dân y tu allan neu tu mewn i dwnnel Bod yn brentis gyda'r Asiant Cefnffyrdd De Cymru Meet the South Wales Trunk Road Agent's Apprentices – Building the Future of Wales’ Roads View all videos on YouTube Featured News Keeping Wales Moving in 2024: A Year in Review 27 January 2025 News View all news What’s happening on the roads Search for cameras Search Use current location CCTV cameras
