List of Interstate Highways in Indiana information
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.[1]
^Hodenfield, G. K. (September 26, 1957). "New Markers to Dot Super Roads". The Indianapolis News. p. 1. Retrieved November 28, 2021 – via Newspapers.com.
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