Interchange

An interchange is a location where two things meet, usually perform some kind of exchange, and possibly go on their ways again. It is most commonly used in three contexts:

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• Transportation:
• A collection of ramps, exits, and entrances between two highways is an interchange.
• A Cross-platform interchange is a connection between two lines of a metro system.
• In the UK an interchange is a transport node for more than one form of transport; see also intermodal passenger transport.
• Computers:
• Electronic Data Interchange is the computer-to-computer exchange of business data in a standard format.
• The Peripheral Interchange Program was software to enable computers to exchange files.
• ASCII is the American Standard Code for Information Interchange.
• Interchange software is an open source application server for electronic commerce.
• Sports:
• In Australian rules football, interchange refers to a group of players in a sporting team that can be subsituted into a match, replacing players coming off the ground.