British Rail Mark 3

British Rail's third fundamental design of carriage was designated Mark 3, and was introduced in 1976 primarily for use on the High Speed Train (HST). The coaches were also used as conventional loco-hauled stock as part of the West Coast Main Line (WCML) northern electrification scheme in the mid 1970s, designated Mark 3A and 3B. The final batch was built in 1988, but Mark 3-based multiple units continued to be built until the early 1990s.

British Rail Mark 3
BR Mk.IIIa TSO No.12604 (8074749189).jpg
Chiltern Railways Mark 3 with retrofitted plug doors at London Marylebone in August 2012
In service1975- present
ManufacturerBREL
Number built848 vehicles
OperatorCrossCountry
East Midlands Trains
First Great Western
First ScotRail
Grand Central Railway
National Express East Anglia
Virgin Trains East Coast
Network Rail
Wrexham & Shropshire
Specifications
Maximum speed125mph 200km/h
Mark 3 at Leicester.
A Mark 3 TS coach pictured at London Paddington, in old First Great Western colours
A Mark 3 TS coach pictured at Aberdeen, in GNER colours
The original BREL-designed interior - this photo is of a First Great Western standard class Mark 3 coach
Interior of a new First Great Western high Density HST Carriage

British Rail Mark 3 Media

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