Live traffic alerts A55 : Both directions : Britannia Bridge : Speed limit 30 mph : Due to high winds : Until further notice Start 04/03/2025 End 05/03/2025 A483 : Southbound : Gresford SB Offslip : Improvement work : Exit slip road closed : 1 lane closed : Diversions in place : 02/03/25-13/03/25 2000-0600 : Start 02/03/2025 End 13/03/2025 M48 : Westbound : J1 Aust to J2 Newhouse : 05/03/25-07/03/25 2000-0600 : Maintenance work : Closed : Diversions in place : Start 05/03/2025 End 07/03/2025 M4 : Eastbound : J44 Lon Las : 05/03/25-06/03/25 1930-0100 : Cyclic maintenance : Entry slip road closed : Diversions in place : Start 05/03/2025 End 06/03/2025 M4 : Westbound : J22 Pilning/Prince of Wales Bridge to J23 Rogiet : 04/03/25-05/03/25 2100-0600 : Maintenance work : Diversions in place : Start 04/03/2025 End 05/03/2025 A55 : Westbound : J2 Ty Mawr : Exit slip road closed : Improvement work : Diversions in place : 04/03/25-08/04/25 1900-0600 : Start 04/03/2025 End 08/04/2025 M4 : Eastbound : J28 Tredegar Park : 03/03/25-07/03/25 2000-0600 : Clearance work : Exit slip road closed : Diversions in place : Start 03/03/2025 End 07/03/2025 M4 : Eastbound : J48 Hendy : 03/03/25-08/03/25 2000-0600 : onslip : Carriageway maintenance : Closed : Diversions in place : Start 03/03/2025 End 08/03/2025 A470 : Southbound : Upper Boat : 03/03/25-05/03/25 2000-0600 : onslip : Carriageway maintenance : Closed : Diversions in place : Start 03/03/2025 End 05/03/2025 M48 : Eastbound : J2 Newhouse to J1 Aust : 03/03/25-05/03/25 2000-0600 : Maintenance work : Closed : Diversions in place : Start 03/03/2025 End 05/03/2025 A483 : Both directions : Builth Wells : Resurfacing work : Closed : Diversions in place : 03/03/25-21/03/25 1900-0700 : Start 03/03/2025 End 21/03/2025 M4 : Westbound : J28 Tredegar Park : 02/03/25-07/03/25 2000-0600 : Clearance work : Entry slip road closed : Diversions in place : Start 02/03/2025 End 07/03/2025 A449 : Northbound : M4 J24 Coldra to Usk : 02/03/25-08/03/25 2000-0600 : Carriageway maintenance : Closed : Diversions in place : Start 02/03/2025 End 08/03/2025 A465 : Eastbound : Gilwern to Abergavenny Hardwick R/bout : Resurfacing work : Road closed : Diversions in place : 25/02/25-08/03/25 2000-0600 : Start 25/02/2025 End 08/03/2025 A4060 : Both directions : Pentrebach to Abercanaid : Carriageway maintenance : 1 lane closed : 25/11/24-28/03/25 2000-0600 : Start 25/11/2024 End 28/03/2025 A40 : Southbound : Gibraltar Tunnels : Carriageway maintenance : Road closed : Diversions in place : 24/02/25-16/03/25 0600-2000 : Start 24/02/2025 End 16/03/2025 A55 : Westbound : J2 Ty Mawr : Roadworks : Entry slip road closed : Diversions in place : 10/02/25-31/05/25 2000-0600 : Start 10/02/2025 End 31/05/2025 A465 : Both directions : Llanfoist to Abergavenny Hardwick R/bout : Resurfacing work : Road closed : Diversions in place : 10/02/25-30/04/25 2000-0600 : Start 10/02/2025 End 30/04/2025 A465 : Eastbound : Aberdulais to Resolven : Roadworks : Road closed : Diversions in place : 03/02/25-31/03/25 2000-0600 : Start 03/02/2025 End 31/03/2025 A470 : Road closed : Both directions : Talerddig : Diversion : 20/01/25-11/04/25 0600 : Start 20/01/2025 End 11/04/2025 A55 : Westbound : J17 Conwy Morfa to J15A Penmaenmawr : Tunnel closed : STOP/GO in use : Westbound : Narrow lanes : 05/03/25-09/03/25 1900-0700 : Start 05/03/2025 End 09/03/2025 A40 : Both directions : Raglan to Monmouth Dixton R/bout : Construction work : Contraflow. Narrow lanes : through tunnel Width limit 3m : Length limit 18.5m : 24/02/25-14/04/25 0600-2000 : Start 24/02/2025 End 14/04/2025 A55 : J17 Conwy Morfa to J18 Llandudno Junction : Eastbound : Tunnel closed : Eastbound : Contraflow : Westbound : Narrow lanes 04/03/25-05/03/25 1900-0700 : Start 04/03/2025 End 05/03/2025 A470 : Both directions : Dolgellau : Resurfacing work : Temporary traffic lights : 06/02/25-21/03/25 0730-1800 : Start 06/02/2025 End 21/03/2025 A4060 : Both directions : Abercanaid Roundabout to Dowlais Top : Cyclic maintenance : Lane closed : 25/11/24-28/03/25 2000-0600 : Start 25/11/2024 End 28/03/2025 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 A5 : Both directions : Llangollen : Improvement work : Temporary traffic lights : Delays possible : 27/01/25-28/03/25 0000 : Start 27/01/2025 End 28/03/2025 A487 : Both directions : A55 J9 Treborth : Roadworks : Temporary traffic lights : Delays possible : 24/02/25-05/03/25 0800-1600 : Start 24/02/2025 End 05/03/2025 A494 : Both directions : Gwyddelwern : Carriageway maintenance : Temporary traffic lights 24 hours : 03/03/25-31/03/25 0700-1800 : Start 03/03/2025 End 31/03/2025 A483 : Both directions : Cambrian Woollen Mill, Llanwrtyd Wells : Roadworks : Lanes closed alternately : Delays possible : 24/02/25-28/03/25 0730-1700 : No weekend working Start 24/02/2025 End 28/03/2025 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 OF View more live traffic alerts Latest videos What to do if you think your vehicle is on fire in or near a tunnel? 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) 28 January 2025 Works on adjoining network View all news What’s happening on the roads Search for cameras Search Use current location CCTV cameras