Illinois State Routes 101-199Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Routes 101-199
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Runs east-west in West Central Illinois.
Runs east-west in the southern portions of North-Eastern Illinois.
Runs east-west in Schuyler County.
Runs east-west across West-Central Illinois.
Runs east-west around the Decatur Metro Area.
Runs east-west in Western Illinois.
Runs north-south highway in Western Illinois.
Runs east-west in the southern portion of Central Illinois.
Runs north-south in Jersey County.
The Chicago-Kansas City Expressway in Illinois.
Runs north-south through Southwest-Central Illinois.
Runs east-west in North-Central and southern portions of North-Eastern Illinois.
Runs east-west in Kankakee County.
Runs north-south in East-Central Illinois.
Runs east-west in Central Illinois.
Runs north-south in Central Illinois.
Runs east-west in Vermilion County.
Runs east-west across Northeastern Illinois.
Connects the Lincoln Area to Mattoon, via Decatur.
Runs east-west, west of Bloomington-Normal.
Runs east-west, northwest of Springfield.
Runs north-south near Springfield.
Runs east-west in West-Central Illinois.
Runs east-west from Yorkville to Plainfield.
Runs north-south in Southwestern Illinois.
Runs north-south in South-Central Illinois.
Runs north-south in southern Will County.
Runs north-south through Central and South Eastern Illinois.
Runs north-south in Lake County.
Runs in Lake County.
Runs east-west in East-Central Illinois.
Runs east-west in Lake County.
Runs in Warren County.
Runs east-west in Whiteside County.
Runs in Lake County.
Runs east-west in Macoupin County.
Runs east-west in Southwestern Illinois.
Runs north-south in Southeastern Illinois.
Runs east-west in Madison County.
Runs north-south in Southern Illinois.
Runs east-west across Southern Illinois.
Runs east-west in Southern Illinois.
Runs north-south in Southern Illinois.
Runs east-west in Southern Illinois.
Runs north-south in Southwestern Illinois.
Runs north-south in Jackson County.
Runs east-west in Perry County.
Runs north-south in Southwestern Illinois.
Runs east-west in Southern Illinois.
Runes east-west in Randolph County.
Runs east-west in Southwestern Illinois.
Runs north-south in Southwestern Illinois.
Runs east-west through the Belleville Metro.
Runs north-south in Southwestern Illinois.
Runs north-south in Southwestern Illinois.
Runs east-west in Southern Illinois.
Runs east-west in Madison County.
Runs in St. Clair County.
Runs in Western Illinois.
Runs east-west, east of the Bloomington-Normal Metro.
Runs north-south in Southeastern Illinois.
Runs east-west in Knox County.
Runs east-west in Southern Illinois.
Runs north-south in North-Central Illinois.
Runs north-south from Joliet to near O'Hare International Airport.
Runs east-west across Northeastern Illinois.
Runs east-west in Northeastern Illinois.
Runs east-west in Southwestern Illinois.
Runs north-south in La Salle County.
Runs north-south in Knox County.
Runs north-south in Franklin County.
Runes east-west in South-Central Illinois.
Runs east-west in Central Rock Island County.
