A proposed divided highway running between Rapid City, South Dakota and Denver, Colorado, also known as High Priority Corridor 14 of the Intermodal Surface Transportation Efficiency Act of 1991. Site includes maps, project status, and various other facts.
Heartland Expressway
Welcome to Heartland Expressway on the Web!
2024-07-20
Recreation, Roads and Highways, North America, United States - Heartland Expressway. A proposed divided highway running between Rapid City, South Dakota and Denver, Colorado, also known as High Priority Corridor 14 of the Intermodal Surface Transportation Efficiency Act of 1991.