Metrolinx breaks ground on four Ontario Line stations in Toronto’s east end, Canada March 2, 2026 | News, North America News Metrolinx has commenced construction on four new Ontario Line subway stations in Toronto’s east end (Thorncliffe Park, Flemingdon Park, Don Valley, and below-ground Cosburn stations). Three stations, ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password