Cardiff Ring Road Closures Today
Live road closure data for the Cardiff Peripheral Distributor Road (A48(M), A4232, A470). Updated Wednesday, 5 August 2026.
About the Cardiff Ring Road
Cardiff's ring road system includes the A4232 Eastern Bay Link and the A48(M) motorway spur, forming an orbital route around the Welsh capital. The ring road connects the M4 motorway to Cardiff Bay and the city centre, passing through Leckwith, Culverhouse Cross, and Pentwyn. Cardiff Council manages the non-motorway sections as part of its integrated transport strategy for the Cardiff Capital Region.
The Cardiff Ring Road is maintained by Cardiff Council. Road closures on the Cardiff Ring Road are reported through the UK government's Street Manager system and appear here in real time.
Key Junctions on the Cardiff Ring Road
Closures Over the Past 7 Days — Cardiff Ring Road
Areas Served by the Cardiff Ring Road
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