Road traffic alerts | Traffic Wales

35 results

This list shows the highest priority alerts for the motorway and trunk road network in Wales. To view local authority information, please go to our Road Traffic Map or to view information for England visit Traffic England.

M4 : Eastbound : J27 High Cross to J26 Malpas : Congestion : Delays possible :

Start: 11/05/2025

End: 11/05/2025

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

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

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

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

A40 : Both directions : Fishguard A487 Junction to Fishguard West Street : Resurfacing work : Road closed : Diversions in place : 11/05/25-16/05/25 0700-1600 :

Start: 11/05/2025

End: 16/05/2025

A483 : Both directions : Llandybie to Ffairfach : Resurfacing work : Road closed : Diversions in place : 09/05/25-12/05/25 1900-0600 :

Start: 09/05/2025

End: 12/05/2025

A483 : Both directions : Ffairfach : Resurfacing work : Road closed : Diversions in place : 09/05/25-12/05/25 1900-0600 :

Start: 09/05/2025

End: 12/05/2025

A55 : Westbound : J16 Puffin Roundabout to J15 Llanfairfechan : Carriageway maintenance : Tunnel closed : Contraflow : Width limit 3.25m : 12/05/25-15/05/25 2030-0800 :

Start: 12/05/2025

End: 15/05/2025