The Class 156 Super Sprinter is a twin car DMU, of which 114 were built from 1987 to 1989 by Metro Cammell, numbered 156401 -514. Each twin car comprised a Driving Motor Standard Lavatory (DMSL, numbered 52401-514) and a Driving Motor Standard (DMS, numbered 57401-514) with space for storage of luggage, bicycles, etc.
These DMUs operate in Scotland, NE and NW England, East Anglia and the Midlands.