British Rail Class 501

British Rail Class 501
A northbound Class 501 train calls at Harrow and Wealdstone. The B2 headcode signifies that this train worked the Broad Street-Watford via Primrose Hill (and vice versa) service.
Specifications
Car length57 ft (17 m)

The British Rail Class 501 electric multiple units were built in 1957/58 for use on the former LNWR/LMS suburban electric network of the London Midland Region. A total of 57 three-car units were built.