Line 1 Yonge–University
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Line 1 Yonge–University is a rapid transit line of the Toronto subway. It serves Toronto and the neighbouring city of Vaughan in Ontario, Canada. It is operated by the Toronto Transit Commission, has 38 stations and is 38.4 km (23.9 mi) in length, making it the longest line on the subway system. It opened as the "Yonge subway" in 1954 as Canada's first underground passenger rail line and was extended multiple times between 1963 and 2017. Averaging over 670,000 riders per weekday, Line 1 is the busiest rapid transit line in Canada, and one of the busiest lines in North America.
Northbound to Finch platform at Union
Subway excavations in front of Union Station (left) on Front Street in 1950
The TTC intended the subway to use streetcar-derived trains, like this former Chicago 'L' train preserved at the Halton County Radial Railway.
The Gloucester (G-series) trains were chosen to be the system's first rolling stock.
Toronto subway
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The Toronto subway is a rapid transit system serving Toronto and the neighbouring city of Vaughan in Ontario, Canada, operated by the Toronto Transit Commission (TTC). As of September 2023, the subway system is a rail network consisting of three heavy-capacity rail lines operating predominantly underground. As of December 2022, three new lines are under construction: two light rail lines and one subway line.
Subway train at Museum station
Excavation on Front Street for the Yonge subway, 1950. The line opened in 1954.
Don Mills station serves as the terminus for Line 4 Sheppard, a subway line that opened in 2002.
Pieces of a tunnel boring machine extracted during the construction of Line 5 Eglinton, 2017