Illinois Route 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. It runs from U.S. 51 at the border with Wisconsin to I-39 and U.S. 51 south of Kappa. Illinois 251 is 135.32 miles (217.78 km) long.[1]
^ abIllinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.
^Carlson, Rich. Illinois Highways Page: Routes 200 thru end. Last updated April 15, 2005. Retrieved May 12, 2006.
and 11 Related for: Illinois Route 251 information
IllinoisRoute251 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...
intersection with U.S. Route 51, IllinoisRoute 75 and IllinoisRoute251. Illinois 2 is 73.91 miles (118.95 km) long. Illinois 2 used to follow the Rock...
IllinoisRoute 351 is a north–south state route that leads from IllinoisRoute 71 and IllinoisRoute251 by Oglesby through downtown LaSalle to Interstate...
IllinoisRoute 173 (IL 173) is a 66.20-mile-long (106.54 km) east–west state highway that runs from IllinoisRoute251 in the Rockford suburb of Machesney...
US 51 uses part of the Jane Addams Memorial Tollway in Illinois; the old road is IllinoisRoute251. US 278 uses the tolled Cross Island Parkway in South...
joins with IllinoisRoute 1 and enters Indiana east of Grant Park. Illinois 17 also overlaps with U.S. Route 34, IllinoisRoute251 (old U.S. Route 51), and...
rural areas, intersecting IllinoisRoute251 (IL 251) at exit 8. About 55 miles (89 km) north of the city, I-39 crosses the Illinois River over the Abraham...
IllinoisRoute 179 (IL 179) was a 16.3-mile-long (26.2 km) state highway in LaSalle County, Illinois. The route ran from IL 251 south of Rutland north...
IllinoisRoute 64 (IL 64, Illinois 64) is an east–west state highway in Northern Illinois. Its western terminus is at the Iowa state line, connecting...
Global Information
I-39 / US 51 / CR 8 in Hudson
US 51 / IL 75 in South Beloit
