Live traffic alerts M4 : Eastbound : J49 Pont Abraham to J48 Hendy : Incident : Incident : Road closed : Start 27/05/2025 End 27/05/2025 A470 : Now clear : Eastbound : A55 J19 Glan Conwy to Llanrwst Start 27/05/2025 End 28/05/2025 M48 : Both directions : J3 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 : Both directions : J30 Cardiff Gate to J34 Miskin : Speed restrictions Due to Poor driving conditions : Start 27/05/2025 End 28/05/2025 A55 : Westbound : J16 Puffin Roundabout : onslip : Cyclic maintenance : Entry slip road closed : 27/05/25-28/05/25 1930-0600 : Start 27/05/2025 End 28/05/2025 M4 : Westbound : J42 Earlswood : Carriageway maintenance : Road closed : Diversions in place : 28/05/25-29/05/25 2000-0600 : Start 28/05/2025 End 29/05/2025 M4 : Eastbound : J38 Margam : Carriageway maintenance : Road closed : Diversions in place : 28/05/25-29/05/25 2000-0600 : Start 28/05/2025 End 29/05/2025 M4 : Eastbound : J37 Pyle : Carriageway maintenance : Road closed : Diversions in place : 28/05/25-29/05/25 2000-0600 : Offslip closed : Start 28/05/2025 End 29/05/2025 A465 : Southbound : Neath : Carriageway maintenance : Road closed : Diversions in place : 28/05/25 2000-0600 : Start 28/05/2025 End 28/05/2025 M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Structural inspections : Road closed : Diversions in place : 28/05/25-29/05/25 2000-0500 : Start 28/05/2025 End 29/05/2025 A44 : Both directions : A44 Siop Newydd to Six Sycamores : Resurfacing work : Road closed : Diversions in place : 28/05/25-04/06/25 1900-0700 : Start 28/05/2025 End 04/06/2025 M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Roadworks : Closed : Diversions in place : 27/05/25-30/05/25 2100-0500 : Start 27/05/2025 End 30/05/2025 M4 : Westbound : J48 Hendy : Carriageway maintenance : Road closed : Diversions in place : 27/05/25-29/05/25 2000-0600 : Start 27/05/2025 End 29/05/2025 M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Carriageway maintenance : Road closed : Diversions in place : 27/05/25-31/05/25 2000-0600 : Start 27/05/2025 End 31/05/2025 A48M : Eastbound : Pound Hill Overbridge to M4 J29 Castleton : Carriageway maintenance : Road closed : Diversions in place : 27/05/25-29/05/25 2000-0600 : Start 27/05/2025 End 29/05/2025 M4 : Westbound : J30 Cardiff Gate to J32 Coryton : Structural inspections : Road closed : Diversions in place : 27/05/25-28/05/25 2000-0500 : Start 27/05/2025 End 28/05/2025 A55 : Westbound : J16 Puffin Roundabout : offslip : Cyclic maintenance : Exit slip road closed : Diversions in place : 27/05/25-28/05/25 1930-0600 : Start 27/05/2025 End 28/05/2025 A55 : Westbound : J17 Conwy Morfa : onslip : Cyclic maintenance : Entry slip road closed : Diversions in place : 27/05/25-28/05/25 1930-0600 : Start 27/05/2025 End 28/05/2025 A55 : Eastbound : J17 Conwy Morfa : offslip : Cyclic maintenance : Exit slip road closed : Diversions in place : 27/05/25-28/05/25 1930-0600 : Start 27/05/2025 End 28/05/2025 A48 : Westbound : Briton Ferry to A483 Junction : Carriageway maintenance : Bridge closed : Diversions in place : 13/05/25-17/06/25 2000-0600 : Start 13/05/2025 End 17/06/2025 A55 : Westbound : J2 Ty Mawr : onslip : Improvement work : Diversions in place : 08/03/25-27/06/25 2000-0600 : Start 08/03/2025 End 27/06/2025 A55 : Eastbound : J2 Ty Mawr : offslip closed : Local diversions in place 08/03/25-27/06/25 2000-0600 : Start 08/03/2025 End 27/06/2025 A55 : Both directions : J4 Dalar Hir (RAF Valley) to J6 Nant Turnpike (Llangefni) : Carriageway maintenance : Road closed : 27/05/25-28/05/25 1220-1340 : Start 27/05/2025 End 28/05/2025 A470 : Both directions : Abercynon Roundabout : Roadworks : Temporary traffic lights : 06/01/25-13/06/25 2000-0600 : Delays possible : Start 06/01/2025 End 13/06/2025 A40 : Eastbound : Haverfordwest : Roadworks : Lane closed : Delays possible : 27/05/25-07/07/25 1000-1700 : Start 27/05/2025 End 07/07/2025 A470 : Both directions : Betws-y-Coed to Llanrwst : 28/04/25-30/06/25 0000 : Improvement work : Temporary traffic lights : Slow traffic : Start 28/04/2025 End 30/06/2025 A40 : Both directions : Wolf's Castle to Letterston : Improvement work : 1 lane closed : STOP/GO in use : Delays possible : 17/03/25-04/06/25 0800-1700 : Start 17/03/2025 End 04/06/2025 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
