Which states does I-70 run through?


Quick Answer

Interstate 70 runs through Maryland, Pennsylvania, Ohio, West Virginia, Illinois and Indiana. After Indiana, the highway runs through Missouri, Kansas and Colorado. The highway's western terminus is in Cove Fort, Utah.

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Full Answer

Interstate 70 is believed to be one of the first interstate highways built in the United States. The section of the highway that is part of the Pennsylvania Turnpike became operable on October 1, 1940. The part of the highway that forms the Mark Twain Expressway was awarded a building contract on August 2, 1956. Construction on that stretch of highway started on August 13 of the same year.

The stretch of I-70 that runs near Topeka, Kansas, was the first to be built with federal interstate highway money, and this stretch opened on November 14, 1956. Since then, I-70 has seen many extensions, upgrades and improvements.

Some stretches of I-70 are quite scenic. This includes the Front Range of the Rocky Mountains in Colorado. Motorists can drive through the mountains via the Eisenhower and Johnson Tunnels. The highway also passes through the San Rafael Swell in Utah and Glenwood Canyon, also in Colorado.

Among the cities I-70 runs through are East St. Louis, Illinois, Dayton, Ohio, Indianapolis, Indiana, and Denver, Colorado.

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