Illinois Route 172

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.

Illinois Route 172
IL 172 highlighted in red
Route information
Maintained by IDOT
Length13.06 mi[1] (21.02 km)
Existed1946[2]–present
Major junctions
South end IL 92 in Yorktown
North[3] end IL 40 in Tampico
Location
CountiesBureau, Whiteside
Highway system
Illinois State Highway System
← I-172→ IL 173

Route description

Illinois 172 runs north from Illinois 92 through Tampico. It then runs east over a feeder for the Hennepin Canal to Illinois 40. Illinois 172 is a two-lane surface road for its entire length. It is known as Main Street through Tampico, Tampico Road around Tampico, and Star Road for the east–west portion.

History

SBI Route 172 originally ran from Libertyville to Gurnee; this became Illinois Route 63, and then Illinois Route 21. In 1946, Illinois 172 was used on former Illinois Route 226, which in addition to its current route ran west to Prophetstown, forming a 'T'-shaped route. The 'spur' to Prophetstown was dropped in 1974. There have been no changes since.[2]

Major Intersections
CountyLocationmi[1]kmDestinationsNotes
Bureau​0.000.00 IL 92 – Mendota, Moline
Whiteside​13.0621.02 IL 40
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References
  1. Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.
  2. Carlson, Rich (2005-04-15). "Illinois Highways Page: Routes 161 thru 180". Retrieved 2006-08-15.
  3. Sarjeant, Charles (2005-06-18). "Illinois Highway Ends: Illinois 172". Archived from the original on 2011-09-11. Retrieved 2006-08-15.
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