Illinois Route 35

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Illinois Route 35 marker

Illinois Route 35
Great River Road
Route information
Maintained by IDOT
Length: 2.42 mi[2] (3.89 km)
Existed: 1938[1] – present
Major junctions
South end: US 20 in East Dubuque
North end: WIS 35 at the Wisconsin border
Counties: Jo Daviess
Highway system
IL 34 US 36

Illinois Route 35 is a 2.42 miles (3.89 km)[2] connector road between U.S. Route 20 in East Dubuque and Highway 35 at the Wisconsin state line. It is currently the shortest state highway in Illinois,[3] a stark contrast to the highway north of the state line, which is Wisconsin's longest highway.

Route description[edit]

ILL 35 begins at a four-way urban intersection in East Dubuque. US 20 passes overhead and connects to the intersection via an exit ramp. From here, ILL 35 heads northeast out of East Dubuque on a curving route. Within East Dubuque, ILL 35 is locally known as Wisconsin Avenue. Once it leaves East Dubuque, ILL 35 becomes a primarily rural road, which it remains for the rest of its route. The highway passes County Route 5W shortly before becoming WIS 35 at the Wisconsin state line. ILL 35 is an undivided two-lane road for its entire length.


SBI Route 35 was originally a shorter road from Mound City to what is now U.S. Route 51. This road was 1-mile-long (1.6 km) (1.6 km) and served a federal cemetery. In 1935, that was changed to Illinois Route 37. In 1938, the number was assigned to the modern-day routing, which had previously been IL 79.

From 1971 to 1982, U.S. Route 61 and U.S. Route 151 ran on Illinois 35 due to the Eagle Point Bridge closure upstream on the Mississippi River. This is the only time that U.S. 61 and U.S. 151 have had alignments in Illinois.

Major intersections[edit]

The entire route is in Jo Daviess County.

Location mi km Destinations Notes
East Dubuque 0.00 0.00
US 20 west / Great River Road (National Route) north (Julien Dubuque Bridge) – Dubuque IA
Interchange; southern terminus; no exit to US 20 east
Dunleith Township 2.42 3.89 WIS 35 / Great River Road north – LaCrosse Continuation into Wisconsin
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


Route map: Google

KML is from Wikidata
  1. ^ Carlson, Rich. Illinois State Highways Page: Routes 21 thru 40. Last updated March 15, 2005. Retrieved April 1, 2006.
  2. ^ a b Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08. 
  3. ^ Burmaster, Bill. Illinois State Route 35. Retrieved April 1, 2006.