Interchange station
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An interchange station in British English, also known as a transfer station in American English, is a train station for more than one railway route in a passenger transport system. Such stations usually have more platforms than single route stations. Passengers reaching the station from one line may change to a train of another line. They may be required to pay extra fare for the interchange if they leave a fare zone. Some rapid transit systems, however, have a fare system which allows commuters to freely change routes in the station.