The creation of the UK motorway network in the second half of the 20th century facilitated a dramatic improvement in the mobility of people and goods and contributed greatly to the prosperity we enjoy today. Frontiers of knowledge and practice, has been produced for the Motorway Archive Trust by a team under the overall direction of Professor Ron Bridle, former Chief Highway Engineer at the Department for Transport.This authoritative volume comprises eight chapters, each of which was compiled by a leading contributor to the motorway programme.