Live traffic alerts M48 : Both directions : Severn Bridge : 7.5t weight restriction for heavy goods vehicles from 27/05/25-until further notice Start 27/05/2025 End 23/05/2026 M4 : Eastbound : J38 Margam to J37 Pyle : Incident : Lane closed : Due to Broken down vehicle : Delays possible : Start 08/07/2025 End 08/07/2025 M4 : Both directions : J23A Magor : Incident : Services Closed : Start 08/07/2025 End 08/07/2025 A40 : Both directions : Pensarn Roundabout to Abergwili Roundabout : Resurfacing work : Road closed : Diversions in place : 16/06/25-19/07/25 2000-0600 : Start 16/06/2025 End 19/07/2025 A40 : Both directions : Carmarthen Bypass : Resurfacing work : Closed : Diversions in place : 19/06/25-25/07/25 2000-0600 : Start 19/06/2025 End 25/07/2025 M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Resurfacing work : Road closed : Diversions in place : 24/06/25-15/07/25 2000-0600 : Start 24/06/2025 End 15/07/2025 A55 : Eastbound : J2 Ty Mawr to J3 Pen Caledog (Valley) : Resurfacing work : Road closed : Diversions in place : 30/06/25-19/07/25 1800-0600 : Start 30/06/2025 End 19/07/2025 M4 : Eastbound : J28 Tredegar Park to J24 Coldra : Roadworks : Closed : Diversions in place : 07/07/25-09/07/25 2000-0600 : Start 07/07/2025 End 09/07/2025 A487 : Both directions : Penrhyndeudraeth to Minffordd : Electrical work : Temporary traffic lights : Delays 01/07/25-15/07/25 0600-2000 : Start 01/07/2025 End 15/07/2025 A40 : Both directions : Glan Hyfryd, Abergavenny : Carriageway maintenance : 1 lane closed : Temporary traffic lights : 30/06/25-21/07/25 0800-1800 : Start 30/06/2025 End 21/07/2025 A55 : Westbound : Conwy Tunnel : Maintenance work : Contraflow in place : 07/07/25-10/07/25 1900-0700 : Start 07/07/2025 End 10/07/2025 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 A465 Dowlais Top to Hirwaun (section 5 & 6) 27 May 2025 Works on adjoining network View all news What’s happening on the roads Search for cameras Search Use current location CCTV cameras
