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

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The Welsh Government’s traffic information service for motorways and trunk roads in Wales

A470 Heol Ty Maen - Drainage Improvements

Start date : 05/02/2024 | End date : 11/03/2024

Work to carry out essential drainage improvements on the A470 at Upper Boat Junction, northbound exit slip.

The work will be carried out Monday to Friday under night time closures. These works could result in a higher than usual levels of noise and/or disruption at specific intervals.

The works will require nighttime closures of lane 1 of the northbound carriageway  and northbound exit slip road at Upper Boat Junction. During daytime, a section of the Hard Shoulder will remain closed, for the duration of the works.

When closures are in place, diverted traffic  will continue Northbound on the A470, exit the A470 at Glyntaff Junction and return on the A470 Southbound to exit the A470 at Upper Boat.

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


Call the Traffic Wales information line
0300 123 1213

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

Contact us