Route information | ||||
---|---|---|---|---|
Maintained by IDOT | ||||
Length | 13.06 mi[1] (21.02 km) | |||
Existed | 1946[3]–present | |||
Major junctions | ||||
South end | IL 92 in Yorktown | |||
North[2] end | IL 40 in Tampico | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | Bureau, Whiteside | |||
Highway system | ||||
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Illinois Route 172 is an inverted-L-shaped highway in northwestern Illinois, though it is marked as being a north–south highway on signage. It runs from Illinois Route 40 to Illinois Route 92 by way of Tampico. This is a distance of 13.06 miles (21.02 km).[1] Illinois 172 is also a part of the Ronald Reagan Trail.