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Illinois Route 91

Illinois Route 91 marker

Illinois Route 91
Route information
Maintained by IDOT
Length: 40.72 mi (65.53 km)
Existed: before 1938 (current route, as IL 30)
1941 – present
Major junctions
South end: US 150 in Peoria
North end: US 34 / IL 78 in Kewanee
Location
Counties: Peoria, Stark, Henry
Highway system
IL 90 IL 92

Illinois Route 91 marker

Illinois Route 91 is a rural state road in central Illinois. It runs from the northwest edge of Peoria at U.S. Highway 150 to U.S. Highway 34 south of Kewanee. Illinois 91 is 40.72 miles (65.53 km) long.

IL 91 serves the cities of Toulon, Wyoming, Princeville, and Dunlap. It travels concurrently with IL 90 around Princeville.

IL 91 does not travel in a straight line between any two major towns. IL 91's endpoints are generally northwest-to-southeast, but the route consists entirely of north–south and east–west stretches.

The Rock Island Trail State Park follows IL 91 for much of its length. This State Park trail is the former right-of-way of a Peoria branch line of the Chicago, Rock Island and Pacific Railroad.

SBI Route 91 was the current U.S. Route 150 from Knoxville to Peoria. In March 1941, the state announced that IL 91 was replacing the designation of IL 30 from Kewanee to US 150, and has remained so to this day.


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Wikipedia

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