Jackson, Perry, Randolph, Washington, St. Clair, Madison, Macoupin, Sangamon
Highway system
Illinois State Highway System
Interstate
US
State
Tollways
Scenic
← IL 3
→ IL 5
Illinois Route 4 is a major north–south highway that runs south from the Interstate 55 business loop around the state capital of Springfield, south to Illinois Route 13 just north of Murphysboro. This is a distance of 170.44 miles (274.30 km).[1]
^ abIllinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved 2007-11-08.
^Carlson, Rick. Illinois State Highways Page: Routes 1 thru 20. Last updated March 15, 2006. Retrieved March 24, 2006.
to IllinoisRoute 13 just north of Murphysboro. This is a distance of 170.44 miles (274.30 km). IllinoisRoute4 starts at Illinois 13 and Illinois 127...
IllinoisRoute 2 (IL 2) is a north–south state highway in northern Illinois. It currently starts at IllinoisRoute 40 in Sterling and ends at the Wisconsin...
IllinoisRoute 13 (IL 13) is a major east–west state route in southern Illinois. Illinois 13 has its western terminus at Centreville at Illinois Route...
IllinoisRoute 171 (IL 171) is a 38.61-mile-long (62.14 km) north–south state highway in northeastern Illinois. It runs from U.S. Route 6 (US 6) in Joliet...
(690.39 km) in Illinois, U.S. 45 is the longest numbered route in Illinois. U.S. Route 50 U.S. Route 51 roughly follows the Illinois Central Railroad...
IllinoisRoute 47 (IL 47) is a 169.76-mile-long (273.20 km) largely rural north–south state highway that runs from the Wisconsin state border at Highway...
IllinoisRoute 6 is a 4-lane freeway entirely in Peoria County in central Illinois. It begins as a northern extension of Interstate 474 at Interstate 74...
IllinoisRoute 43 (IL 43) is a 60.30-mile-long (97.04 km) major north–south state highway in the U.S. state of Illinois. It runs from U.S. Route 30 (US 30)...
IllinoisRoute 84 (Route 84 or IL 84) is a long state highway that runs along the Mississippi River in northwestern Illinois. Illinois 84 runs from south...
IllinoisRoute 83 (IL 83) is a 91.73-mile-long (147.63 km) major north–south state highway in northeast Illinois. It stretches from U.S. Route 30 (US 30...
Route 3 in rural Jackson County to IllinoisRoute4 in Ava. This is a distance of 7.84 miles (12.62 km). Illinois 151 serves as a connector through the...
IllinoisRoute 251 is a north–south state highway that runs on the former alignment of U.S. Route 51 before Interstate 39 was built in north central Illinois...
IllinoisRoute 60 (IL 60) is a 17.22-mile-long (27.71 km) east–west state highway in Lake County, in northeastern Illinois. It connects the village of...
IllinoisRoute 17 (IL 17) is a rural, arterial east–west state highway that runs east from a former ferry crossing in New Boston along the banks of the...
IllinoisRoute 29 (IL 29) is a two to four lane state highway that runs south from U.S. Route 6/IllinoisRoute 89 at Spring Valley to U.S. Route 51/Illinois...
IllinoisRoute 138 is a state highway in southwestern Illinois. It runs from IllinoisRoute 159 north of Bunker Hill to the city of Mount Olive at Illinois...
IllinoisRoute 72 is an east–west state highway in northern Illinois. It runs from the intersection with IllinoisRoute 73 north of Lanark east to Illinois...
IllinoisRoute 390 (IL 390), previously known as the Elgin–O'Hare Expressway, now known as the Elgin–O'Hare Tollway, is a 9.8-mile (15.8 km) controlled-access...
IllinoisRoute 26 (IL 26, Illinois 26) is a north–south state highway in central and north-central Illinois. It runs from IllinoisRoute 116 just north...
IllinoisRoute 25 (IL 25) is a state route in northeast Illinois. It runs north from U.S. Route 34 in Oswego to IllinoisRoute 62 (Algonquin Road) in Algonquin...
IllinoisRoute 38 is an 88.86-mile-long (143.01 km) west–east state highway that runs across northern Illinois. It runs from U.S. Route 52 (US 52) in...
IllinoisRoute 19 (abbreviated IL-19, or simply Illinois 19) is a major east–west arterial state highway in northeastern Illinois, United States. It runs...
IllinoisRoute 59 is a north–south state highway in northeastern Illinois. It runs south from IllinoisRoute 173 in Antioch to I-55 in Shorewood, spanning...
Global Information
IL 13 / IL 127 in Vergennes
I-55 BL / IL 29 in Springfield
