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,
Saint Petersburg Metro system. The Nevsko-Vasileostrovskaya Line is a line of the metro, opened in 1967. Since 1994, it has been officially designated as Line 3. It stands out among St. Petersburg metro lines for two reasons — its stations are almost exclusively of "Horizontal Lift" type and it has the longest inter-station tunnels in the entire system. Metro officials originally intended to add stations in-between the existing ones, but those plans were later abandoned. The line cuts Saint Petersburg centre on an east-west axis and then turns southeast following the left bank of the Neva River. It is generally coloured green on