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A470Cardiff to Llandudno · 186 mi

A470

The A470 is running normally in both directions.

0
Live closures
0
Speed limits
6
Planned
Happening now

Live incidents

Updated 16:17 · refreshes every 5 min · accidents only →

Plan ahead

Closures this weekend

17/09/2026 8:00

Rhayader, Water main work, Road closed, Diversion, 17/09/26-18/09/26 0800-1800 :

Rhayader · Traffic Wales

07/09/2026 20:00

Nantgarw, 07/09/26-19/09/26 2000-0600, Maintenance work, Exit slip road closed, Closed, Diversions in place :

Nantgarw · Traffic Wales

15/09/2026 20:00

Coryton, 15/09/26-22/09/26 2000-0600, J32, M4 Resurfacing work, Closed, Diversions in place :

Coryton · Traffic Wales

14/09/2026 20:00

Coryton, 14/09/26-15/09/26 2000-0600, Resurfacing work, Closed, Diversions in place :

Coryton · Traffic Wales

14/09/2026 19:00

Doldowlod to Builth Wells, Resurfacing work, Road closed, Bontnewydd, Diversion, 14/09/26-26/09/26 1900-0600 :

Doldowlod to Builth Wells · Traffic Wales

07/09/2026 19:00

Builth Wells Ty Gwyn Bends, Resurfacing work, Diversions in place, 07/09/26-14/09/26 1900-0700 :

Builth Wells Ty Gwyn Bends · Traffic Wales

All A470 closures →

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About this road

The A470 at a glance

The A470 runs the length of Wales from Cardiff Bay to Llandudno, and its busy end is the dual carriageway between Cardiff and Merthyr Tydfil, where most of its congestion and roadworks sit. Data comes from Traffic Wales and refreshes every 5 minutes.

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