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.

DIA to Pueblo-Vail-Cheyenne

One local finalist includes the Colorado Department of Transportation’s proposal for a 360-mile route to connect the Denver International Airport to Pueblo, Vail and Cheyenne, Wyoming. Dubbed Team Rocky Mountain Hyperloop, the agency and airport are working with engineering firm AECOM on a Denver-to-Vail route that would take 8.4 minutes, instead of 2 hours and 36 minutes by car.

Cheyenne to Pueblo

Another Colorado proposal includes a 242-mile route that also connects Wyoming to Pueblo. The Colorado Hyperloop Team, led by tech enthusiast Blake Anneberg, would start with a Denver-to-Colorado Springs route coming in 6.2 minutes, versus 1 hour, 11 minutes by car.

Cheyenne to Houston

Another route touching Colorado is the longest route proposed, a 1,152-mile system connecting Cheyenne, Wyoming, and Houston. The Rocky Mountain Hyperloop Consortium, led by John Whitcomb, a member of the Colorado Renewable Energy Society and CEO of PlayMaker IQ Holding company, would cut the 17-hour trip by car to 1 hour and 48 minutes.

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When Xbox, driverless vehicles, AI and Lockheed Martin converge on autonomous systems The company behind the design challenge unveiled an open-air test track last year near Las Vegas.

The idea is that for passengers to ride in pods that travel along the tube track and “accelerate gradually via electric propulsion through a low-pressure tube. The pod quickly lifts above the track using magnetic levitation and glides at airline speeds for long distances due to ultra-low aerodynamic drag,” according to the company.

Hyperloop One officials said that 2,600 proposals were pitched for its Global Challenge and the company has been whittling down the numbers.

“This disruptive technology — conceived, developed and built in the U.S. — will move passengers and cargo faster, cleaner and more efficiently. It will transform transportation as we know it and create a more connected world,” said Rob Lloyd, chief executive officer of Hyperloop One, in a statement.

The other eight U.S. finalists include: