Interstate 180 (Illinois)

I-180
I-180
Route information
	Auxiliary route of I-80
Length	13.19 mi (21.23 km)
Existed	1967–present
History	Completed in 1969
NHS	Entire route
Major junctions
South end	IL 26 / IL 71 in Hennepin
	US 6 in Princeton
North end	I-80 in Princeton
Location
Country	United States
State	Illinois
Counties	Putnam, Bureau
Highway system
	Interstate Highway System; Main; Auxiliary; Suffixed; Business; Future; Illinois State Highway System; Interstate; US; State; Tollways;

Interstate 180 (I-180) is a north–south highway in the U.S. state of Illinois that goes from Princeton to Hennepin. The highway is 13.19 miles (21.23 km) long.^[1]

I-180 is one of the least traveled Interstates in the country. The highway serves 1,950–3,600 vehicles per day as of 2013.^[2]

References

↑ ^1.0 ^1.1 "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. December 31, 2021.
↑ Illinois Department of Transportation (2013). "T2 GIS Data". Archived from the original on March 2, 2016.

[fhwa-1] 1.0 ^1.1 "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. December 31, 2021.

[t2-2] Illinois Department of Transportation (2013). "T2 GIS Data". Archived from the original on March 2, 2016.

[1]

[2]