This is a list of the operating passenger rail transit systems in the United States. This list does not include intercity rail services such as the Alaska Railroad or Amtrak and its state-sponsored subsidiaries. "Region" refers to the metropolitan area based around the city listed, where applicable.
Operating
Under construction
See also
List of rail transit systems in North America
List of rapid transit systems (includes other countries) List of tram and light rail transit systems (includes other countries) List of streetcar systems in the United States (all-time list, streetcar/interurban/light rail only) Urban rail transit Commuter rail in North America Light rail in North America Streetcars in North America