The British Rail Class 309 "Clacton Express" electric multiple units (EMUs) were built by British Rail (BR) York Carriage Works from 1962 to 1963. They were initially classified as Class AM9 before the introduction of TOPS. These units were the first express 25 kV alternating current (AC) units to be built by British Rail and were their first EMUs capable of 100 mph.
A Class 309 undergoing testing in 1962
The front of a Class 309 train in blue/grey BR livery with original 'wrap around' cab windows at London Liverpool Street station
The front of a Class 309 train in blue/grey BR livery with modified front windows at London Liverpool Street station
British Rail was the brand image of the nationalised railway owner and operator in Great Britain, the British Railways Board, used from 1965 until its breakup and sell-off from 1993 onwards.
Regional Railways branding on an in-train poster, still displayed by default in 2007
Class 90 at Manchester Piccadilly under British Rail as part of InterCity.