
The Shortest Highway in Illinois is Less Then 3 Miles Long
The longest highway in Illinois is 425 miles long, but there is a highway known as the shortest in the Land of Lincoln — and it's less than 3 miles.
I didn't know you could have a highway under 3 miles and still call it a highway, but leave it to Illinois to "break the rules."
Shortest Highway in Illinois
The honor of being the shortest highway in Illinois goes to Illinois Route 35. This 2.42-mile-long connector road links East Dubuque to the Wisconsin state line.
It is the shortest state highway in Illinois, a stark contrast to Wisconsin's longest highway just north of the state line.

Illinois' longest highway, Route 45, stretches 425 miles from north to south, making it the largest in the Land of Lincoln.
I may never find myself driving this 2.42-mile stretch, but if you do, you'll know it's the shortest in the state and your trip will be over in no time.
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Gallery Credit: Stacker
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