Interstate 55

Interstate Highway in Central United States

Interstate 55 is an Interstate Highway in the United States. It goes from Laplace, Louisiana north to Chicago, Illinois. The route is 964.25 miles (1,551.81 km) long.[1]

Interstate 55 marker

Interstate 55

I-55 highlighted in red
Route information
Length964.25 mi[1] (1,551.81 km)
NHSEntire route
Major junctions
South end I-10 in LaPlace, LA
Major intersections
North end US 41 in Chicago, IL
CountryUnited States
StatesLouisiana, Mississippi, Tennessee, Arkansas, Missouri, Illinois
Highway system


  1. 1.0 1.1 Federal Highway Administration (December 31, 2013). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2013". Federal Highway Administration. Retrieved August 19, 2014.

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