Hyperloop One, the company looking to actually build the first hyperloop transportation systems announced it’s list of finalists to be potential first routes for their groundbreaking transportation technology. It recently held a global competition requesting proposals for routes. The short list represents those routes that could tie together some of the world’s largest populations centers (150 million people) and

The company’s goal is to build transportation networks for both people and cargo, using super low pressure sealed tubes and pods that float along a track using magnetic levitation, based on a technical concept first proposed by Elon Musk. They hope to have three routes working by 2021.

Here’s where you can get the list of the cities selected and learn more.