Live traffic alerts 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 : 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 A465 : Eastbound : Glynneath to Hirwaun : 24/03/25-20/05/25 2000-0600 : Roadworks : Closed : Diversions in place : Start 24/03/2025 End 20/05/2025 M4 : Eastbound : J43 Llandarcy : Resurfacing work : Onslip closed : Diversions in place : 08/04/25-11/05/25 2000-0600 : Start 08/04/2025 End 11/05/2025 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 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 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 : 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 : 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 : Talerddig : Retaining wall works : Temporary traffic lights : Delays possible : 10/04/25-30/04/25 1900-2330 : Start 10/04/2025 End 30/04/2025 OF View more live traffic alerts