This indispensable biography of a road profiles the 117 miles of tarmac formally known as the London Orbital Motorway, from its controversial origins right through to its status as backdrop to the lives and commutes of millions. An eye-opening miscellany of facts, figures and anecdotes, M25 looks beyond the asphalt and the angst to discover the secret history of Margaret Thatcher's transport legacy, providing countless reasons to keep your eyes fixed firmly on the road. Marvel at the engineering ingenuity of 234 bridges across 6 counties, despair at the longest ever traffic jam, meet the couple who chose to spend their wedding night driving the M25 and discover the conspiracy theory surrounding the demonic shape of the motorway. Remember: it's not the destination, it's the never-ending journey.