Reigate Tunnel
An unassuming Surrey market town with an amazing claim to fame — the world's first road tunnel.
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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.
Have you seen...
Emergency Diversion Routes
Those funny black and yellow symbols are everywhere - and they might just get you back on track one day.