Illinois Route 73 is a north–south state highway in northwest Illinois. It runs from the U.S. Route 52/Illinois Route 64 concurrency south of Lanark north to the Wisconsin border north of Winslow. This is a distance of 29.32 miles (47.19 km).[1]

Illinois Route 73 marker
Illinois Route 73
Map
Illinois Route 73 highlighted in red
Route information
Maintained by IDOT
Length29.32 mi[1] (47.19 km)
Existed1924[2]–present
Major junctions
South end US 52 / IL 64 in Lanark
Major intersections US 20 in Lena
North end CTH M in Winslow
Location
CountryUnited States
StateIllinois
CountiesCarroll, Stephenson
Highway system
IL 72 I-74

Route description

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Illinois 73 is a two-lane surface road for its entire length. At its northern terminus, Illinois 73 becomes County Highway M in Green County, Wisconsin. This is the only Illinois state highway that does not either continue as another state highway, or end at a ferry crossing (current or former).[2]

History

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SBI Route 73 existed from Illinois Route 72 north of Lanark to Winslow. Around 1982, it replaced Illinois 72 from north of Lanark south to U.S. Route 52.[2]

Major intersections

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CountyLocationmi[3]kmDestinationsNotes
CarrollLanark0.000.00   US 52 / IL 64 – Mount Carroll, BrookvilleSouthern terminus of IL 73
4.26.8  IL 72 – ShannonWestern terminus of IL 72
StephensonLena18.129.1  US 20 – Stockton, Freeport
Winslow29.3247.19  CTH-M – MartintownContinuation into Wisconsin
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

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  1. ^ a b Illinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved 2007-11-08.
  2. ^ a b c Carlson, Rich. Illinois Highways Page: Routes 61 through 80. Last updated March 15, 2005. Retrieved April 2, 2006.
  3. ^ "Overview Map of IL 73" (Map). Google Maps. Retrieved February 22, 2017.
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