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Rydym yn croesawu galwadau’n Gymraeg. We welcome calls in Welsh.
Rydym yn croesawu galwadau’n Gymraeg. We welcome calls in Welsh.

A470 Upper Boat – Carriageway reprofiling

Start Date: 25/02/25 | End Date: 28/03/25

A470 Upperboat carriageway

Work to carry out essential carriageway reprofiling to a 300m section of the A470 southbound carriageway between Upper Boat and Nantgarw will commence on 25/02/2025 for 24 nights.

 

The work will be carried out over 24 nights between 20:00 – 06:00. 

The southbound carriageway of the A470 between Upper Boat and Nantgarw will be closed for 4 nights from the 25/02/25. 

There will then be single lane closures on the southbound carriageway for a period of 20 nights.

The works are being carried out overnight in February and March when traffic flows are historically lower to minimise disruption.

For further information, please contact Traffic Wales on 0300 123 1213 or via X or Facebook.