A55

A55

North Wales Expressway

Holyhead to Chester

One of the most important roads in Wales, the A55 is second only to the M4, providing a lifeline to the densely populated North Wales coast and connecting the port of Holyhead to the trunk road network across the English border.

Routes
A55

What's new

Imperfectly Odd: Batheaston Bypass

It has viaducts, a tunnel and plenty of controversy, but the amazing Batheaston Bypass doesn’t really work. What went wrong?

South London's lost motorways

Completing the story of London's epic Ringways, we've just published the Southern Radials, five more motorways that never saw the light of day.

To the north east!

Two new additions to our collection of Opening Booklets take us to Darlington and Middlesbrough.

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Have you seen...

Mickleham Bends

Once it was one of the UK's most dangerous roads — just what is so special about a bit of dual carriageway in Surrey?