left|thumb|Superimposed former Line 3 (grey) and the under-construction Line 2 Bloor–Danforth extension (dark green) The TTC and the City of Toronto completed an environmental assessment in 2010 to convert the line to light rail transit and extend it to Malvern from its current eastern terminus, McCowan, with potential new intermediate stations at Bellamy Road, Centennial College's Progress Campus and Sheppard Avenue with a possible additional station at Brimley Road between the existing Midland and Scarborough Centre stations.
left|thumb|Superimposed former Line 3 (grey) and the under-construction Line 2 Bloor–Danforth extension (dark green) The TTC and the City of Toronto completed an environmental assessment in 2010 to convert the line to light rail transit and extend it to Malvern from its current eastern terminus, McCowan with potential new intermediate stations at Bellamy Road Centennial College's Progress Campus and Sheppard Avenue with a possible additional station at Brimley Road between the existing Midland and Scarborough Centre stations