Live traffic alerts A55 : Both directions : Britannia Bridge : Speed limit 30 mph : Due to high winds : Until further notice Start 06/02/2026 End 06/02/2026 A470 : Northbound : Abercynon - Broadway : 02/02/26-14/02/26 2000-0600 : Closed : Diversions in place : Start 02/02/2026 End 14/02/2026 A4042 : Southbound : Grove Park R/bout to Cwmbran : Closed : Diversions in place : 06/02/26-07/02/26 2000-0600 : Start 06/02/2026 End 07/02/2026 M4 : Eastbound : J38 Margam : offslip : Closed : 05/02/26-06/02/26 2000-0600 : Start 05/02/2026 End 06/02/2026 M4 : Eastbound : J32 Coryton : onslip : Closed : 05/02/26-06/02/26 2000-0600 : Start 05/02/2026 End 06/02/2026 A4042 : Northbound : Mamhilad to Court Farm : 05/02/26-06/02/26 2000-0600 : Closed : Diversions in place : Start 05/02/2026 End 06/02/2026 A470 : Southbound : Taff's Well : onslip : Closed : 04/02/26-06/02/26 2000-0600 : Start 04/02/2026 End 06/02/2026 M4 : Eastbound : J38 Margam : onslip : Closed : 04/02/26-06/02/26 2000-0600 : Start 04/02/2026 End 06/02/2026 M4 : Westbound : J32 Coryton : onslip : Closed : 04/02/26-06/02/26 2000-0600 : Start 04/02/2026 End 06/02/2026 A55 : Westbound : Pen-y-Clip tunnel : Contraflow via Headland : Width limit 3.2m : 03/02/26-10/02/26 1900-0700 : Start 03/02/2026 End 10/02/2026 M4 : Eastbound : J35 Pencoed : offslip : Closed : 02/02/26-14/02/26 2000-0600 : Start 02/02/2026 End 14/02/2026 A483 : Both directions : Llandovery : Resurfacing work : Road closed : Diversions in place : 12/01/26-07/02/26 1900-0500 : Start 12/01/2026 End 07/02/2026 A449 : Southbound : Raglan to Usk : Closed : Diversions in place : 02/02/26-07/02/26 2000-0600 : Start 02/02/2026 End 07/02/2026 A470 : Eastbound : Pontypridd to Abercynon : Road closed : 02/02/26-20/02/26 2000-0600 : Diversions in place : Start 02/02/2026 End 20/02/2026 M4 : Eastbound : J37 Pyle : 01/02/26-06/02/26 2000-0600 : onslip : offslip : Closed : Start 01/02/2026 End 06/02/2026 M4 : Westbound : J25A Grove Park to J28 Tredegar Park : Closed : Diversions in place : 01/02/26-06/02/26 2000-0600 : Start 01/02/2026 End 06/02/2026 A483 : Southbound : Coedpoeth NB Onslip : 01/02/26-21/02/26 1900-0600 : Surveys : Closed : Diversions in place : Start 01/02/2026 End 21/02/2026 M4 : Eastbound : J25A Grove Park : Onslip : Closed : 29/01/26-20/02/26 Start 29/01/2026 End 20/02/2026 A458 : Both directions : Middletown to Shropshire : 28/01/26-06/02/26 1900-0600 : Both directions : Resurfacing work : Diversions in place : Start 28/01/2026 End 06/02/2026 A483 : Both directions : Llandovery to Cynghordy : Carriageway maintenance : Road closed : Diversions in place : 12/01/26-07/02/26 1900-0500 : Start 12/01/2026 End 07/02/2026 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 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 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
