developed into a new style known as "Porthole" stock. Freight stock on order at Nationalisation was completed: some LMS designs were accepted as BR standard designs and continued to be built for the whole network through the 1950s and early 1960s. The LMR had some experimental diesel locomotives, such as the Class D16/1 and "Fell locomotive" 10100. In August 1968 it was the last region of BR to eliminate steam traction under the 1955 Modernisation Plan. West Coast Main Line electrification In the 1960s, the West Coast Main Line was electrified between London Euston and Crewe, Liverpool, Manchester and Birmingham. This was extended via to Glasgow in the 1970s. References Ball, MG. British Railways Atlas Ian Allan Publishing 2004 British Rail regions