Live traffic alerts M4 : Eastbound : J42 Earlswood on slip to A48 : Resurfacing work : Closed : Diversions in place : 08/04/25-11/05/25 2000-0600 : Start 08/04/2025 End 11/05/2025 A470 : Southbound : Taff's Well to Coryton : Resurfacing work : Road closed : Diversions in place : 06/05/25-10/05/25 2100-0600 : Start 06/05/2025 End 10/05/2025 M4 : Both directions : J22 Pilning/Prince of Wales Bridge to J23 Rogiet : Bridge closed : Diversions in place : 06/05/25-07/05/25 2100-0600 : Start 06/05/2025 End 07/05/2025 M4 : Eastbound : J24 Coldra : Construction work : Entry slip road closed : Diversions in place : 06/05/25-09/05/25 2000-0100 : Start 06/05/2025 End 09/05/2025 A470 : Northbound : Pontypridd : Electrical work : Entry slip road closed : Diversions in place : Start 06/05/2025 End 07/05/2025 A470 : Southbound : Abercynon to Cilfynydd : Resurfacing work : Road closed : Diversions in place : 06/05/25-09/05/25 2000-0600 : Start 06/05/2025 End 09/05/2025 M4 : Westbound : J46 Llangyfelach : Cyclic maintenance : Exit slip road closed : Entry slip road closed : Diversions in place : 06/05/25-07/05/25 1900-0000 : Start 06/05/2025 End 07/05/2025 A48 : Eastbound : Briton Ferry : Structural inspections : Road closed : Diversions in place : 08/04/25-13/05/25 2000-0600 : Start 08/04/2025 End 13/05/2025 M4 : Eastbound : J43 Llandarcy : Resurfacing work : Onslip closed : Diversions in place : 08/04/25-13/05/25 2000-0600 : Start 08/04/2025 End 13/05/2025 A465 : Eastbound : Abergavenny Hardwick R/bout : 01/04/25-09/05/25 2000-0600 : Start 01/04/2025 End 09/05/2025 A465 : Eastbound : Glynneath to Hirwaun : Carriageway maintenance : Road closed : Diversions in place : 24/03/25-20/05/25 2000-0600 : Start 24/03/2025 End 20/05/2025 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 A483 : Both directions : Cynghordy : Lane closed : Temporary traffic lights : Cyclic maintenance : 30/09/24-20/05/25 24 Hrs : Start 30/09/2024 End 20/05/2025 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 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 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) 11 April 2025 Works on adjoining network View all news What’s happening on the roads Search for cameras Search Use current location CCTV cameras
