M621
A walk on the M621 14 July 2021
Fancy a stroll? In 1972, the City of Leeds was about to open its new South East Urban Motorway and proudly showed off the achievement with a "walkabout" event.
Junction Three
The M621 has one junction where everything leaves the motorway and heads for the city, and a very bizarre junction it is too.
Routes
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...
The Magic Roundabout
Officially the seventh most frightening thing on the road network - but actually it might just be the most efficient junction ever designed.