Calgary Green LRT Line Stage I plans unveiled; construction begins on BRT line May 14, 2017 | North America News The City of Calgary has unveiled plans for the development of the Green Line light-rail transit (LRT) Stage I, which will span 20 km, connect 16th Avenue North West in Crescent Heights and 126th Avenu... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password