Attachment 4 – Assessment of Ontario Line
EX9.1 Attachment 4 – Assessment of Ontario Line As directed by City Council in April 2019, City and TTC staff have assessed the Province’s proposed Ontario Line. The details of this assessment are provided in this attachment. 1. Project Summary 1.1. Project Description The Ontario Line was included as part of the 2019 Ontario Budget1 as a transit project that will cover similar study areas as the Relief Line South and North, as well as a western extension. The proposed project is a 15.5-kilometre higher-order transit line with 15 stations, connecting from Exhibition GO station to Line 5 at Don Mills Road and Eglinton Avenue East, near the Science Centre station, as shown in Figure 1. Figure 1. Ontario Line Proposal (source: Metrolinx IBC) Since April 2019, technical working groups comprising staff from the City, TTC, Metrolinx, Infrastructure Ontario and the Ministry of Transportation met regularly to understand alignment and station location options being considered for the Ontario 1 http://budget.ontario.ca/2019/contents.html Attachment 4 - Assessment of Ontario Line Page 1 of 20 Line. Discussions also considered fleet requirements, infrastructure design criteria, and travel demand modelling. Metrolinx prepared an Initial Business Case (IBC) that was publicly posted on July 25, 2019.2 The IBC compared the Ontario Line and Relief Line South projects against a Business As Usual scenario. The general findings by Metrolinx were that "both Relief Line South and Ontario Line offer significant improvements compared to a Business As Usual scenario, generating $3.4 billion and $7.4 billion worth of economic benefits, respectively.
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