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Interstate 180 (Illinois): Wikis


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Interstate 180
Auxiliary route of the Interstate Highway System
Maintained by IDOT
Length: 13.19 mi (21.23 km)
Formed: 1967 (finished 1969)[1]
South end: IL 26 / IL 71 in Hennepin
North end: I-80 north of Princeton
Illinois state highway system
< IL 178 IL 180 >

Interstate 180 (abbreviated I-180) is a north–south spur highway that runs from Princeton, Illinois to the small town of Hennepin, Illinois on its southern terminus. It is 13.19 miles (21.23 km) long.[2]


Route description

Interstate 180 winds through a forested, hilly area in north-central Illinois. The local topography surrounding I-180 is heavily influenced by the Illinois River. It has four lanes for its entire length.


Construction of I-180 was completed in 1969.[1] The freeway was built primarily to connect Interstate 80 to a steel plant in Hennepin. However, the steel plant closed soon after I-180 was built, and did not re-open until August 2002. I-180 is one of the least traveled interstates in the nation, serving 2,450 – 4,100 vehicles per day as of 2007.[3]

Exit list

The Illinois Department of Transportation does not provide exit numbers for any exits on I-180. The route is located in Bureau and Putnam counties.

Location Mile Destinations Notes
Hennepin IL 71 South end of I-180
0.0 IL 26 south – Hennepin, Lacon Beginning of IL 26 overlap.
1.0 Illinois River
Bureau Junction 2.5 IL 26 north to IL 29 north – Bureau Junction North exit and south entrance only. End of IL 26 overlap.
3.5 To IL 29 south – Peoria
8.0 IL 26Princeton
12.0 US 6Princeton, Spring Valley
13.2 I-80  – Davenport, Joliet North end of I-180


  1. ^ a b Scott, Tony (2006-12-21). "Strong opinions on Prairie Parkway plans". Oswego Ledger-Sentinel. Retrieved 2008-02-15.  
  2. ^ United States Department of Transportation - Federal Highway Administration (2002-10-31). "Route Log - Auxiliary Routes of the Eisenhower National System Of Interstate and Defense Highways". Retrieved 2007-01-30.  
  3. ^ Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.  

External links



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