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 "Preston By-Pass" was Britain's first motorway, opened in 1958. These books show the road as it was on opening day and share some of the thrill of this pioneering project.
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