Union station

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A union station, union terminal, joint station, or joint-use station is a railway station at which the tracks and facilities are shared by two or more separate railway companies, allowing passengers to connect conveniently between them. The term 'union station' is used in North America and 'joint station' is used in Europe.

In the U.S., union stations are typically used by all the passenger trains serving a city,^{[citation needed]} although exceptions exist. For example, in Chicago, the Illinois Central and Chicago & North Western depots coexisted with Union Station, and although most Metra commuter trains (and all Amtrak services) continue to use Union Station today, some lines depart from other terminals, such as Ogilvie Transportation Center, LaSalle Street Station, or Millennium Station.

The busiest station to be named "Union Station" is Toronto Union Station, which serves over 72 million passengers annually.^[1] The first union station building was Columbus Union Station in 1851, though Indianapolis Union Station, planned in 1848 and built in 1853, had more elements of a cooperative union station.^[2]