Although better known as a pioneer of trolleybus operation, the city of Bradford played host to Britain's longest surviving trolleybus network (61 years) – the corporation operated a sizeable fleet of 4ft 0in-gauge trams through to May 1950.

Cyfrol sy'n olrhain hanes y gwasanaeth tramiau yn ninas Bradford am 61 o flynyddoedd hyd at fis Mai 1950.