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,
Rome Metro Rome Metro The Rome Metro () is a rapid transit system that operates in Rome, Italy. It started operation in 1955, making it the oldest in the country. The Metro comprises three lines – A (orange), B (blue) and C (green) – which operate on of route, serving 73 stations. The original lines in the system, lines A and B, form an X shape with the lines intersecting at "Termini" station, the main train station in Rome. Line B splits at the "Bologna" station into two branches. The third line opened in 2014 and connects to the rest of the