page_title: British Rail Mark 3
section_title: HST vehicles
hierarchical_section_title: British Rail Mark 3 / Train formations / HST vehicles
caption_attribution_description: English: The interior of an East Midlands Trains refurbished Mark 3 Trailer First
context_page_description: The British Rail Mark 3 is a type of passenger carriage developed in response to growing competition from airlines and the car in the 1970s. A variant of the Mark 3 became the rolling stock for the High Speed Train.
  Originally conceived as locomotive-hauled coaching stock, the first coaches built were for the prototype HST in 1972. Production coaches entered service between 1975 and 1988, and multiple-unit designs based on the Mark 3 bodyshell continued to be built until the early 1990s. Most of the surviving fleet of the Mark 3 and its derivatives are still in revenue service on the British railway network in 2020, however, as of 7 August 2020, 182 carriages have been sent for scrap.
caption: The interior of refurbished East Midlands Trains Mark 3 First Class with improved fluorescent lighting
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