^Looking east on Interstates 80 and 94 as they cross the Indiana border out of Illinois, July 2023.

Interstate 80 enters Indiana from Illinois heading east, concurrently with Interstate 94.  At Portage, Interstate 80 uses an interchange to join the Indiana Toll Road and Interstate 90, leaving Interstate 94 behind.  Interstate 80 stays concurrent with Interstate 90 on the Toll Road through the remainder of Indiana, to the Ohio border and beyond.  Interstate 80 in Indiana is either concurrent with Interstate 94 in northwest Indiana, or concurrent with Interstate 90 along the Indiana Toll Road farther east.  Therefore, information for Interstate 80 in Indiana is provided either on the Interstate 94 page or the Interstate 90 page. 

For Interstate 80 in Indiana west of Portage, along the Interstate 94 freeway, click here. 

For Interstate 80 in most of Indiana, concurrent with Interstate 90 on the Indiana Toll Road, click here.

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