Montreal Metro Montreal Metro The Montreal Metro () is a rubber-tired, underground rapid transit system serving the city of Montreal, Quebec, Canada. The Metro, operated by the Société de transport de Montréal (STM), was inaugurated on October 14, 1966, during the tenure of Mayor Jean Drapeau. It has expanded since the 1960s from 26 stations on three separate lines to 68 stations on four lines totalling in length, serving the north, east and centre of the Island of Montreal with connections to Longueuil, via the Yellow Line, and Laval, via the Orange Line. The Montreal Metro is Canada's busiest rapid transit system,
Orange Line (Montreal Metro) by rectangular cab headlights, blue and dark orange interiors, 124 kW (166 hp) traction motors that growl while accelerating out of a station, side vents, and a unique three-note sound signature when the train pulls out of a station. With the introduction of the newer MPM-10 trains in 2016, The MR-73 trains in service on the line are gradually transferred on Lines Green, Yellow and Blue. The rolling stock on the Orange Line was upgraded to MPM-10s starting in 2016. The MR-73 and MPM-10 Azur trains was used thereafter on the Green Line, replacing the aging MR-63s. Orange Line (Montreal