British Rail Mark 2

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British Rail Mark 2
Mark 2f First open in original British Rail livery
The interior of a Mark 2 Open First showing the former Virgin Trains West Coast Burgundy seat moquette trim
In service	1964–present
Manufacturer	British Rail Engineering Limited
Built at	Prototype: Swindon Works, Production: Derby Litchurch Lane Works
Constructed	1963–1975
Entered service	1964
Number built	1,876
Operators	DB Cargo UK Direct Rail Services Network Rail Riviera Trains West Coast Railways
Specifications
Car body construction	Steel Semi-integral
Car length	64 ft 6 in (19.66 m)
Doors	Hinged slam, centrally locked
Maximum speed	100 mph (161 km/h)
HVAC	Pressure Ventilation Air Conditioning (1971 onward)
Bogies	B4 or B5
Braking system(s)	Mark 2 as built: Clasp, Vacuum operated Mark 2a–2f as built: Clasp, Air operated
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge 1,600 mm (5 ft 3 in) (NIR IÉ) 1,067 mm (3 ft 6 in) NZ TR 1,000 mm (3 ft 3+3⁄8 in) metre gauge (KRC)

The Mark 2 family of railway carriages are British Rail's second design of carriages. They were built by British Rail workshops (from 1969 British Rail Engineering Limited (BREL)) between 1964 and 1975 and were of steel construction.