Overview

• Inrix reported the eastbound obstruction after Junction 48 in Carmarthen was cleared, with queues easing.
• Traffic Wales had warned of heavy congestion in the area before conditions improved.
• An earlier three-vehicle incident at Junction 45 in Swansea cleared, and traffic there is easing.
• The A468 between Machen and Rhiwderin is closed in both directions, with 50 and 50A buses diverted.
• The B4309 in Carmarthenshire remains closed in both directions and a breakdown is causing delays on the A487, with Dyfed-Powys Police advising alternative routes.