Current Metrolinx Corridors:

• The Lakeshore West Corridor (Union Station to Oakville/Aldershot/Hamilton) — May 23, 1967
• The Lakeshore East Corridor (Union Station to Pickering/Oshawa/Bowmanville) — May 23, 1967
• The Kitchener Corridor (formerly Georgetown) (Union Station to Kitchener) — April 29th, 1974
• The Richmond Hill Corridor (Union Station to Richmond Hill) — May 1, 1978
• The Milton Corridor (Union Station to Milton) — October 25th, 1981
• The Barrie Corridor (Union Station to Bradford/Barrie) — September 7th, 1982
• The Stouffville Corridor (Union Station to Stouffville/Uxbridge) — September 7th, 1982
• The Union Pearson Express (Union Station to Pearson Airport) — June 6, 2015
  • The Union Pearson Express, by Vik Pahwa.
• The 407 Bus Corridor (Points West to Highway 407 Station to Points East) — September 5, 2000
  • 50 Years of GO Transit Bus Operations, by Adam Zhelka (reprinted with permission from TTS Transfer Points)
• The Hurontario LRT (opening 2024)

Metrolinx Corridors to come?

• The Midtown Corridor (Kipling/Erindale to Markham Road?)
• The Woodbridge/Bolton Corridor (Union Station to Bolton?)
• The Streetsville/Orangeville Corridor (Union Station to Orangeville?)
• The Agincourt/Peterborough Corridor (Union Station to Havelock?)

Other GO Transit History

• The GO-ALRT Project (by Peter Drost)
• Current and Future GO/Subway Connections
• GO Transit’s Dial-a-Bus Experiment (1973-1976)
• Remarks by Gary McNeil, Managing Director, GO Transit

Histories About Other Local Transit Agencies in Southern Ontario

• Toronto Regional Transit Photo Gallery
• Brampton Transit:
  • A Brief History of Brampton’s Zum Network (Coming Soon)
  • VIDEO: Brampton Transit’s Sandalwood Garage, Doors Open Ontario 2019, by Damian Baranowski.
• Durham Region Transit:
  • A Brief History of the Oshawa Railway.
  • A History of Durham College/UOIT Bus Loop.
  • A Brief History of the DRT Pulse BRT (Coming Soon)
• Halton Region:
  • A Brief History of Public Transit in Oakville.
• Hamilton Street Railway:
  • A Short History of the Hamilton Street Railway’s Streetcar and Trolley Bus Operations.
• MiWay Transit:
  • A Brief History of Public Transit in Mississauga.
  • A History of the Mississauga Transitway.
  • Peter McLaughlin’s Mississauga Transit Bus Drawings.
• Niagara Region:
  • Canada’s Last Interurban (A Brief History of the Niagara, St. Catharines & Toronto Railway).
• Waterloo Region:
  • A History of Electric Transit in Waterloo Region, including the ION LRT.
  • A photo tour of the Waterloo Region ION LRT.
• York Region Transit:
  • A Brief History of Public Transit in York Region.
  • A History of the VIVA Network.
• Other
  • The Pearson Terminal Link Train.