(Bloomberg) -- Hyperloop One, the futuristic transportation company building tube-encased lines to zip passengers and freight from city to city at airplane-like speeds, is shutting down, according to people familiar with the situation.Most Read from BloombergIran Sends Warship to Red Sea After US Sinks Houthi BoatsQuake Hits Northwestern Japan, Killing Four, Wrecking HomesIndia’s Crude Oil Imports From Russia Plunge on Payment IssuesUS Pushed Dutch Maker of Chip Equipment to Block Chinese Sales