Illinois Route 25 is a north-south state road located west of Arlington Heights in northeast Illinois. Route runs north from U.S. Highway 34 in Oswego to Illinois Route 62 (Algonquin Road) in Algonquin.

Route 25 is on the east side of the Fox River and parallels Route 31, which is on the western bank of the Fox River.

Illinois 25 is 35.04 miles (56.39 km) in length. Route is accessible from Arlington Heights via Interstate 90, Route 62, Route 58, Route 58-Route 72, and Route 68.


Route 25 uses the following local names …

JF Kennedy Drive in Barrington Hills and Carpentersville

Dundee Avenue in East Dundee and Elgin

Liberty Street in Elgin

St Charles Street in Elgin

5th Avenue in St Charles

Riverside Avenue in St Charles

Bennet Street in Geneva

Crissey Avenue in Geneva

Washington Avenue in Batavia

River Street in Batavia

Aurora Avenue in Aurora

Broadway in Aurora

East River Road in Aurora

Madison Street in Oswego [Ends at Madison Street and Chicago Road (US 34)]