List of Interstate Highways in Indiana

	Interstate Highway shields for Interstate 69 and Interstate 465
	Interstate Highways highlighted in red; future sections in blue
System information
Notes	Indiana Routes are generally state-maintained.
Highway names
Interstates	Interstate X (I-X)
US Highways	U.S. Route X (US X)
State	State Road X (SR X)
System links
	Indiana State Highway System; Interstate; US; State; Scenic;

Interstate Highways are owned and maintained by INDOT unless it is a toll road.

The system was authorized by the Federal-Aid Highway Act of 1956, which provided federal funds for construction of limited access highways. Indiana's initial set of seven Interstate Highways were announced in September 1957.

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