page_title: Toronto subway trackage
section_title: Diamond crossovers
hierarchical_section_title: Toronto subway trackage / Diamond crossovers
caption_attribution_description: English: Diamond crossover at Vaughan Metropolitan Centre subway station
context_page_description: The Toronto Transit Commission maintains four rapid transit lines and 75 stations on 76.9 km of route.
context_section_description: Diamond crossovers (or "scissors crossovers") are X-shaped track assemblies that are used, particularly at terminal stations, to allow trains to reverse direction and enter the opposite track. They also exist outside some through stations (mostly those that were former terminal stations) where they are often used to short turn trains. A single-crossover just east of Union Station is what remains of the former diamond-crossover, which was used when the station marked the southern terminus of the original line. A few crossover tracks that were built as part of the original subway system have since been removed; their locations are marked by tunnel sections where there are no central pillars between tracks.
  Crossovers are found in the vicinity of the following stations:
   Yonge–University line
  South of Vaughan Metropolitan Centre (terminal station)
  South of Pioneer Village
  South of Finch West
  South of Sheppard West (formerly Downsview Station; terminus between 1996–2017)
  South of Wilson (original Spadina line terminus between 1978–1996)
  North of Spadina
  South of St. George (original University line terminus between 1963–1966 and 1966–1978)
  East of Union (on northbound track; formerly a double crossover, now a single crossover; original south Yonge line terminus between 1954–1963)
  North of King, south of Queen
  North of Dundas, south of College
  North of Bloor
  South of St. Clair
  South of Eglinton (original north Yonge line terminus between 1954–1973)
  South of Lawrence
  South of Sheppard–Yonge
  South of Finch (terminal station)
   Bloor–Danforth line
  East of Kipling  (terminal station)
  East of Islington  (terminal station between 1968–1980)
  East of Jane
  East of Keele (part of original west Bloor–Danforth line terminus between 1966–1968)
  East of St. George
  West of Woodbine (part of original east Bloor–Danforth line terminus between 1966–1968)
  East of Victoria Park
  West of Warden (terminal station between 1968–1980)
  West of Kennedy (terminal station)
   Scarborough line
  East of Kennedy (on southbound track) (terminal station)
  West of McCowan (terminal station)
   Sheppard line
  East and west of Sheppard–Yonge (terminal station)
  East of Bayview
  West of Don Mills (terminal station)
caption: The crossover at Vaughan Metropolitan Centre station with a departing train crossing between the northbound platform and the southbound track
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