page_title: Tourist Standard Open
hierarchical_section_title: Tourist Standard Open
caption_attribution_description: English: British Rail Mark 2 Tourist Standard Open No. 5278 "Melisande" at Cheltenham Spa on September 18th, 2004, as part of the "Industrial Invader" excursion to Swindon. Melisande belonged to Wessex Trains at the time and is painted in the traditional Pullman umber and cream livery.
context_page_description: Tourist Second Open or Tourist Standard Open, abbreviated to TSO, is a type of British Railways coach. The designation "Tourist" was originally as opposed to a normal SO coach. Both types have the same number of seating bays per coach, but the TSO has four seats across, arranged 2+2 either side of a central aisle, while an SO has 3 seats across, arranged 2+1 with an offset aisle. Both offer the same legroom, but there is slightly less width per passenger in a TSO.
  Even though the designations would appear to suggest that the SO was the standard type and the TSO a variant, in reality the TSO has been the default design of open coach on British Railways since the dawn of the Mark 1 era, built in large numbers, with comparatively few SO vehicles constructed, mainly for use as Third/Second/Standard class restaurant cars.
  In 1987, British Rail changed the title to Tourist Standard Open, when "Second Class" became "Standard Class" across the network. The TSO designation remains in use for Mark 3A and Mark 4 Open Standard carriages., even though no SO coaches have been constructed since the Markk 2a build in the mid 1960s.
context_section_description: Tourist Second Open or Tourist Standard Open, abbreviated to TSO, is a type of British Railways coach. The designation "Tourist" was originally as opposed to a normal SO (Second Open) coach. Both types have the same number of seating bays per coach, but the TSO has four seats across, arranged 2+2 either side of a central aisle, while an SO has 3 seats across, arranged 2+1 with an offset aisle.  Both offer the same legroom, but there is slightly less width per passenger in a TSO.
  Even though the designations would appear to suggest that the SO was the standard type and the TSO a variant, in reality the TSO has been the default design of open coach on British Railways since the dawn of the Mark 1 era, built in large numbers, with comparatively few SO vehicles constructed, mainly for use as Third/Second/Standard class restaurant cars.
  In 1987, British Rail changed the title to Tourist Standard Open, when "Second Class" became "Standard Class" across the network. The TSO designation remains in use for Mark 3A and Mark 4 Open Standard carriages., even though no SO coaches have been constructed since the Markk 2a build in the mid 1960s.
  The designation TSO is also used for Trailer Standard Open in the system of British Rail coach designations. Whereas Tourist Standard Open applies only to loco-hauled sock, Trailer Standard Open is used in multiple-unit stock; in this case most have 2+2 seating but some have 3+2.
caption: Mark 2A TSO 5278 "Melisande" at Cheltenham Spa in September 2004
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