Interstate 39 (I-39) is a north–south Interstate Highway in Illinois and Wisconsin that runs from an interchange at I-55 in Normal, Illinois, to State Trunk Highway 29 (WIS 29) approximately six miles (9.7 km) south of Wausau, Wisconsin.

2017年4月15日 · Interstate 39, popularly abbreviated as I-39 is a US highway in the Midwestern United States. It was specially designed to replace the US Highway 51, which in the early 1980s was considered as one of the busiest two-lane highways in the United States.

I-39 is the 35th longest interstate in the U.S. Highway system at just over 306 miles. It is right in the middle, in terms of length, between the longest and shortest interstates in the U.S. An interesting fact about part of I-39 is that it is one of a few instances in the United States where three major interstates run together.

A mostly rural route, I-39 begins on the north side of Normal at I-55, overtaking U.S. 51 to Peru and La Salle, where it meets Interstate 80. North from there, the freeway continues to I-88 outside Rochelle and U.S. 20 on the south side of Rockford.

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Interstate 39 (abbreviated I-39) is an interstate highway in the midwestern United States. I-39 runs from Normal, Illinois at Interstate 55 to Highway 29 in Rothschild, Wisconsin, approximately six miles south of Wausau, Wisconsin.

Interstate highway I-39 connects the cities of states: Illinois, Wisconsin state. Detailed map of interstate route I39 with interchange and exit numbers.

Interstate 39 I-39 highlighted in red Route information Maintained by IDOT and WisDOT Length 306.14 mi (492.68 km) NHS Entire route Major junctions South end I-55 US 51 in Normal, IL Major intersections I-80 in LaSalle, IL I-88 / IL 110 (CKC) in Rochelle, IL I-90 in Rockford, IL I-43 / WIS 81 in Beloit, WI I-94 / WIS 30 in Madison, WI * I-90 / I-94 / WIS 78 in Portage, WI North …

2025年2月19日 · The Rebuild I-39 project is now in its third phase of construction, part of an effort to reduce congestion and create safer conditions for drivers at the interchange.

Illinois I-39 127mi From Normal to Rockford (Exit 2 to Exit 122) 1 hour 59 mins travel time (instead of 1 hour 51 mins ) 8 minutes Delay