Category:Carriage Type TSO

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Carriage type TSO signifies a Tourist Standard Open. The BRBritish Rail or British Railways Mk 1 TSO has 8 bays with a centre walkway. The term 'Tourist' denotes that the seats are arranged 2+2, for a total capacity of 64 passengers.

BRBritish Rail or British Railways also produced a limited number of Mk 1 Second Open (SO) carriages with 3 seats across, arranged 2+1 with an offset aisle, intended mainly for use as Third/Second/Standard class restaurant cars. The TSO was thus the 'normal' second class / standard class carriage.

Following the introduction of TOPSTotal Operations Processing System, an American computer system adopted by BR from the late 1960s to number and manage rolling stock. in the late 1960s, BRBritish Rail or British Railways carriages of this class were allocated the TOPS code AC21, denoting:

A: Passenger carrying stock
D: Gangwayed open (2+2 seating)
2: Second (later standard) class
1: BRBritish Rail or British Railways Mark 1 carriage

See also

List of Carriages