Toronto's Line 3 Scarborough RT - The History and Technology, Expansion Options and Closure with Seth McDermott - July 2021

Line 3 Scarborough (originally known as the Scarborough RT or SRT) is a light rapid transit line and part of the Toronto TTC's Subway system. Featuring 6 stations, along a length of 6.4km of mostly elevated track, it connects with Line 2 Bloor-Danforth at Kennedy Station. The northeast terminus is McCowan. 

The line operates the Intermediate Capacity Transit System (ICTS) Mark I trains, built by the Urban Transportation Development Corporation (UTDC), which are also known in Toronto as the S Series. These trains are some of the earliest examples of Linear Induction Motor technology in a transit system and have since been built and used in other cities around the world, notably Vancouver's SkyTrain. 

In this video discussion with Seth McDermott, a transit enthusiast and historian, we discuss the history and development of this very interesting and unique transit line, as well as the linear induction motor (LIM) technology that it helped pioneer. Be sure to also watch Part 2 of this video series (found below), in which the conversation continues, and touches on the many expansion and upgrade options that have been debated over the years, and its eventual and soon approaching permanent closure in 2023.




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