^Northbound trailblazer at Banta Road in the northwestern corner of Woodford County, early November 2021.
Illinois Route 26 connects Peoria to points north along the east side of the Illinois River, and to even more points northward to the Wisconsin border. It passes through Freeport, Dixon, Princeton, Hennepin, and Lacon, before ending just northeast of Peoria at Illinois 116, which brings travelers from Illinois 26 into the inner Peoria area.
Illinois 26 begins at its northern terminus as Wisconsin Highway 69 crosses into Illinois, at Orangeville: