 It used some of Abercrombie's suggested route, but it was planned to use existing transport corridors, such as railway lines, much more than before.The location of these lines produced a ring that was distinctly box-shaped and Ringway 1 was unofficially called the "London Motorway Box".In 1963, Colin Buchanan published a report, "Traffic in Towns", which had been commissioned by the Transport Minister, Ernest Marples.