Three Colorado proposals are among 11 U.S. finalists in a private company’s sci-fi-like transportation challenge that aims to move ground-based passengers at speeds of 700 mph. The finalists announced Thursday by Los Angeles-based Hyperloop One join 24 proposals outside the U.S. and were picked from more than 2,000 worldwide. The company eventually will pick three winners to work with to further explore development. Image courtesy of Hyperloop OneA 360-mile route, proposed by Team Rocky Mountain Hyperloop, would connect the Denver International Airport to Pueblo, Vail and Cheyenne, Wyoming.