A fledgling venture called Pacific Hyperloop is kicking off its effort to win support for a high-speed transit link between Seattle and Portland, using the Hyperloop system envisioned by SpaceX billionaire Elon Musk.

The plan calls for creating a network of tubes capable of zipping passengers from the Jet City to the Rose City in 15 minutes, thanks to pods that travel at the near-supersonic speed of 760 mph.

Pacific Hyperloop is among 35 semifinalists in the Hyperloop One Global Challenge, a contest set up by California-based Hyperloop One for proposals to set up transit networks in various regions of the world.

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