Union Pearson Express A Nippon-Sharyo DMU at Mimico GO Station Overview Type Airport rail link Status Operational Locale Toronto and Mississauga Stations 4 Daily ridership 7,657 average (June 2016)[1] Website UPExpress.com Operation Opened June 6, 2015 (2015-06-06)[2] Owner Metrolinx Rolling stock Nippon Sharyo DMU Technical Line length 23.3 km (14.5 mi) Track gauge 1,435 mm (4 ft 8 1⁄2 in) standard gauge Operating speed 145 km/h (90 mph) top speed [3] 56 km/h (35 mph) average Route map Legend Viscount Airport Road Terminal 3 LINK Train Terminal 1 Etobicoke Creek Kitchener line Highway 427 Etobicoke North Highway 401 Maintenance Facility Humber River Canadian Pacific Railway Weston tunnel Weston Mount Dennis West Toronto Diamond Milton line Bloor Dundas West Barrie line Lakeshore West line Union Union (TTC) Lakeshore East line Richmond Hill line This diagram: view talk edit