Illinois Route 2

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Illinois Route 2 marker

Illinois Route 2
Route information
Maintained by IDOT
Length: 73.91 mi[1] (118.95 km)
Existed: 1918[2] – present
Major junctions
South end: IL 40 in Sterling
  IL 26 / US 52 in Dixon
US 20 in Rockford
North end: WIS 213 at South Beloit
Counties: Whiteside, Lee, Ogle, Winnebago
Highway system
IL 1 IL 3

Illinois Route 2 is a north–south state road in northern Illinois. It currently starts at Illinois Route 40 in Sterling and ends at the Wisconsin state line in South Beloit, very near the intersection with U.S. Route 51, Illinois Route 75 and Illinois Route 251.[3] Illinois 2 is 73.91 miles (118.95 km) long.[1]

Route description[edit]

Illinois 2 follows the Rock River from Rock Island to South Beloit. It was used in the 19th century as a primary trading route from Rockford to Rock Island, The Rock River was not used as a trading route for boats as it is only navigable west of Rock Falls.

Illinois 2 has since been superseded by Interstate 39 and Interstate 88 for most ground transportation, but the original route remains.

Blue Star Memorial Highway[edit]

Illinois 2 was designated a Blue Star Memorial Highway on November 4, 1970. The sign can be found in a wayside just west of the Winnebago County line in Ogle County along the Rock River.

Sign located in Ogle County, Illinois


Major intersections[edit]

County Location mi km Destinations Notes
Whiteside Sterling IL 40 (Locust Street, 1st Avenue) Southern terminus
Lee Dixon US 52 west / IL 26 north (N. Galena Avenue) South end of US 52/IL 26 overlap
US 52 east / IL 26 south (S. Galena Avenue) North end of US 52/IL 26 overlap
Ogle Oregon IL 64 (Washington Street)
Byron IL 72 west South end of IL 72 overlap
IL 72 east North end of IL 72 overlap
Winnebago Rockford US 20

US 20 Bus. (Chestnut Street, Jefferson Street)
South Beloit IL 75 west (Blackhawk Boulevard) South end of IL 75 overlap
IL 75 east (Gardner Street) North end of IL 75 overlap
WIS 213 Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Illinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved 2007-11-08. 
  2. ^ Carlson, Rick. Illinois State Highways Page: Routes 1 thru 20. Last updated March 15, 2006. Retrieved March 24, 2006.
  3. ^ Illinois Highway Ends. Illinois 2. Retrieved May 2, 2006.