Illinois Route 78

Illinois Route 78 marker
Illinois Route 78
Map
IL 78 highlighted in red
Route information
Maintained by IDOT
Length215.51 mi[1] (346.83 km)
Existed1924[3]–present
Major junctions
South end
US 67 Bus. / IL 104 in Jacksonville[2]
Major intersections
North end WIS 78 in Warren
Location
CountryUnited States
StateIllinois
CountiesMorgan, Cass, Mason, Fulton, Knox, Peoria, Stark, Henry, Whiteside, Carroll, Jo Daviess
Highway system
IL 76 I-80

Illinois Route 78 is a major north–south highway in western Illinois. It runs from Illinois Route 104 northwest of Jacksonville north to Highway 78 at the Wisconsin state line north of Warren. This is a distance of 215.51 miles (346.83 km).[1]

  1. ^ a b Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.
  2. ^ Unknown. New U.S. 67 Gallery Archived 2006-05-05 at the Wayback Machine. Last updated June 14, 2001. Retrieved April 14, 2006.
  3. ^ Carlson, Rich. Illinois Highways Page: Routes 61 thru 80. Last updated April 15, 2005. Retrieved April 14, 2006.