<Roads of the Mid-South & West > Highways of the State of Illinois > Interstate 41, Illinois

Interstate 41

Interstate 41 runs briefly in Northeastern Illinois. It runs for about one mile in the State of Illinois. The path is along a joined route with Interstate 94 and U.S. Rt. 41 from the Wisconsin/Illinois State Line to the split with I-94 and U.S. Rt. 41 one mile south of the state line, and at the start of the Tri-State Tollway, at Wadsworth.

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I-41 is multi-plexed in Illinois.

I-41 is multi-plexed with...
...Interstate 94, at Wadsworth.
...U.S. Rt. 41, at Wadsworth.

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Interstates that I-41 intersects in Illinois...

Interstate 94, at Wadsworth.

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There are no branches of I-41 in Illinois.

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A junction marker on NB U.S. Rt. 41.

A BGS on NB U.S. Rt. 41.

SB I-41/EB I-94/SB U.S. Rt. 41 at the actual end of I-41.

NB I-41/WB I-94/NB U.S. Rt. 41 at Lake County Highway A1. (July, 2015)

NB I-41/WB I-94/NB U.S. Rt. 41 at Lake County Highway A1. (February, 2016)

A junction marker on WB Lake County A1.

A guide marker along Russell Road.

A guide marker on NB Frontage Road.

SB I-41/EB I-94/SB U.S. Rt. 41 at the Illinois Welcome sign.

SB I-41/EB I-94/SB U.S. Rt. 41 at the Illinois Welcome sign. (February, 2016)

SB I-41/U.S. Rt. 41; EB I-94 at the Illinois Welcome Sign.

SB I-41/EB I-94/SB U.S. Rt. 41 at the Illinois/Wisconsin State Line.

The southern end of I-41 markers at the Illinois/Wisconsin State Line.

The southern end markers.

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23 March 2023