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His Royal Highness The Duke of Edinburgh, 10 June 1921 to 9 April 2021

Read about the arrangements following The Duke of Edinburgh’s death

This scheme should improve about 9km of road which is not up to standard.

First published:
13 June 2018
Last updated:


We are reconsidering our options along the Welsh length of the road.

Why we are doing it

This is a cross border scheme which relies on funding from the Department for Transport/Highways England. The scheme is no longer included on the Highways England’s programme of major regional works, and so we can’t progress the original scheme.