The Helsinki MetroThe Helsinki Metro (Finnish: Helsingin metro, Swedish: Helsingfors metro) is a rapid transit system serving Greater Helsinki, Finland. It is the world's northernmost metro system.
What city has the most extensive subway system?
Shanghai Metro – ChinaLaunched in 1993, Shanghai Metro is the longest rail network in the world. With 508 stations, the network is 831 km long.
What is the most northern subway system?
What is the deepest subway station in North America?
Washington Park MAX StationIn 1998, TriMet built the Washington Park MAX Station, which is the deepest transit station in North America at 260 feet below ground, as part of our Red Line.
What is the oldest subway system in North America?
Boston’s MBTA subway systemThe Tremont Street subway in Boston's MBTA subway system is the oldest subway tunnel in North America and the third oldest still in use worldwide to exclusively use electric traction (after the City and South London Railway in 1890, and the Budapest Metro's Line 1 in 1896), opening on September 1, 1897.