When a road is closed, why isn't the diversion route just the quickest way past the closure?
The one great attempt to make London’s streets logical - and how one retired chauffeur’s favourite routes changed the way you get around the capital.
The UK's first four-level interchange opened in 1966. Relive some of the wonder and excitement of this icon of the motorway era with the book published to mark its completion.
Buy me a coffee