Illinois Route 70 is a state road in far north-central Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

. It runs from Illinois Route 75

Illinois Route 75

Illinois Route 75 is an east–west state road in north-central Illinois. It runs from downtown Freeport at Illinois Route 26 to WIS 67 at the Wisconsin state line southeast of Beloit, Wisconsin. This is a distance of .- Route description :...

 in Durand

Durand, Illinois

Durand is a village in Winnebago County, Illinois, United States. It is part of the Rockford, Illinois Metropolitan Statistical Area The population was 1,443 at the 2010 census, up from 1,081 at the 2000 census.- Geography :...

 to Business U.S. Route 20

U.S. Route 20

U.S. Route 20 is an east–west United States highway. As the "0" in its route number implies, US 20 is a coast-to-coast route. Spanning , it is the longest road in the United States, and the route sparsely parallels Interstate 90...

 in Rockford

Rockford, Illinois

Rockford is a mid-sized city located on both banks of the Rock River in far northern Illinois. Often referred to as "The Forest City", Rockford is the county seat of Winnebago County, Illinois, USA. As reported in the 2010 U.S. census, the city was home to 152,871 people, the third most populated...

. This is a distance of 19.01 miles (30.59 km).

Route description

Illinois 70 is the main route northwest of Rockford, and is called Kilburn Avenue and Trask Bridge Road in this area. The route serves mainly rural areas and consists of two-lane undivided surface street for its entire length.

History

SBI Route 70 ran from Durand to Rockford to Mendota

Mendota, Illinois

Mendota is a city located in north-central Illinois in LaSalle County, Illinois, United States. The city has 7,272 residents, and is the fifth largest city in LaSalle County, though recent estimates have shown that the population has decreased to 6,995 residents. It is part of the...

, located about 60 miles (97 km) south of Rockford. In 1940, U.S. Route 51

U.S. Route 51

U.S. Route 51 is a north–south United States highway that runs for 1,286 miles from the western suburbs of New Orleans, Louisiana to within of the Wisconsin-Michigan border. Much of the highway in Illinois and southern Wisconsin runs parallel to or overlaps Interstate 39...

replaced Illinois 70 from Mendota to Rockford, and Illinois 70 was pulled back to its current intersection with what was then U.S. 20.