Interstate 57, from Chicago to Cairo; I-74, from Danville to Rock Island; I-55, from Chicago to St Louis, MO; I-88, from Oak Brook to Rock Island; I-90, from the Hammond, IN to Beloit, WI; I-94, from Hammond, IN to Kenosha, WI; I-24, from southern Illinois to Paducah, KY; I-70, from Terre Haute, IN to St Louis, MO; I-72, from Champaign to Springfield; I-39, from Rockford to Bloomington
72 including I-96
Illinois has many highways and automobiles. It is also a major hub for airlines such as American Airlines and United Airlines. There are also railroads in Illinois.
the major highways are #29 and#133
The major north/south highways in Illinois are IL55 (Chicago to St. Louis MO), IL90 (Chicago to Beloit WI) and IL57 (Chicago to Kentucky. The major east/west highways in Illinois are IL80 and IL88, both of which will take you to Iowa.
The major north-south highways are I-75 and I-69. The major east-west are I-94 and I-96
I-95 is one of the well known highways.
They were and still are the major transportation routes.
Highways link cities - there are no major cities in the northern part of Canada
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Maryland has a few major highways in it. Interstate 95 is one of the busiest highways in the country. It runs north and south. Also 70 and 83 run through the state.