In service 1955– Fleet numbers 9200–9539 | Number built 340 | |
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Manufacturer Mark 1: BR Doncaster, Wolverton and Gloucester RCW
Mark 2: BR Derby Family name British Railways Mark 1,
British Rail Mark 2 Constructed Mark 1: 1955–1963
Mark 2: 1966–1974 | ||
A Brake Standard Open or BSO, is a type of railway carriage used by British Rail. Both Mark 1 and Mark 2 types were built. Each consists of a standard class open passenger saloon with a centre aisle, a guard's compartment with hand brake and a lockable luggage compartment.
A number of Mark 1 and Mark 2 BSOs were converted to Brake Standard Open (Micro-Buffet) (BSOT), and fourteen Mark 2 BSOs were converted to Driving Brake Standard Open (DBSO). A number of BSO and BSOT coaches have been preserved, and some are still in use on main line charters.
References
Brake Standard Open Wikipedia(Text) CC BY-SA