Route Open Junctions Section
1 M4 May 1961 J7-9 Maidenhead Bypass Opened as A4(M)
2 A1 and A1(M) Jul 1961 J34-38 Doncaster Bypass
3 M20 Sep 1961 J7-8 Maidstone Bypass East Opened as A20(M)

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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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Coventry Ring Road

The best ring road in the world? Possibly. The most frightening? Yes.