On January 21, 2013, the TTC Board considered a report on the service and technology choices for Scarborough Rapid Transit Corridor. This report concluded that replacing the Scarborough Rapid Transit (SRT) with a subway would offer the benefits of a transfer-free ride through Kennedy Station and a higher speed than light rail.
On July 16, 2013, City Council confirmed support for the Scarborough Subway Extension to replace the aging SRT.
On September 25, 2013, the TTC Board supported the Scarborough Subway Extension with three stations following an alignment along the McCowan Road corridor.
On October 8, 2013, City Council confirmed support for a three-stop extension of the Bloor-Danforth Subway along the McCowan Road corridor to Sheppard Avenue East, recognizing that alignments and station locations are subject to approval under of the Environmental Assessment Act.
On January 28, 2016, the Executive Committee of City Council will be considering an update report on Scarborough Transit Planning, outlining refined transit priorities and proposing a recommended solution that includes an extension of Line 2 express to Scarborough Centre and an easterly extension of the Eglinton Crosstown LRT to the University of Toronto, Scarborough Campus.
On July 12, 2106, City Council removed a three-stop SSE option from further consideration and directed the City Manager and CEO, TTC to retain the services of a third-party rail transit construction and cost-estimation expert to undertake a risk assessment and detailed review of the TTC’s five percent design cost estimates for the McCowan corridor and other possible express subway alignments.
On March 28, 2017, City Council approved the extension of Line 2 (Bloor-Danforth Subway) from Kennedy Station to Scarborough Centre via the McCowan alignment, including the station concept, ancillary facilities (emergency exit buildings) and the Triton bus terminal concept. Staff received Council authorization to issue the Notice of Commencement to initiate the Transit Project Assessment Process for the Scarborough Subway Extension project.