What is the longest highway in the U.S.? Trivia Answer Interstate 90 – 2017

What is the longest highway in the U.S.? Trivia Answer



Interstate 90




Measuring nearly 3,102 miles in length, Interstate 90, or I-90, is the longest interstate highway in the U.S. It spans 13 states: Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York and Massachusetts. Following in a close second is Interstate 80, which crosses 11 states and measures just shy of 2,900 miles. These highways serve five of the same states: Wyoming, Indiana, Illinois, Ohio and Pennsylvania. Source: The Weather Channel.

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