An American interstate highway that runs west from Baltimore, MD's beltway (I-695) to Cove Fort, UT, where it joins I-15. Interchanges with other interstates are denoted below with a percent sign.

Route: supplied the speed trap warnings on this route. The mile markers are numbered from the western or southern border of the state, depending on your direction of travel. They will be marked.

The portion of Interstate 70 in St. Charles County, Missouri lays claim to being the first project every built by the Federal Aid Highway Act of 1956 that created the Eisenhower Interstate System. It was begun on August 6th, 1956.

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