Elon Musk unveils revolutionary underground tunnel

Elon Musk has unveiled his underground transportation tunnel on Tuesday, allowing reporters and invited guests to take some of the first rides in the revolutionary albeit bumpy subterranean tube. Guests boarded Musk's Tesla Model S and rode about one mile along Los Angeles-area surface streets to what is known as O'Leary Station in his just-completed Hawthorne Test Tunnel. The demo rides, though considerably slower than the fully executed plan is expected to allow, ran on Tuesday at 40 mph. Musk said the future system will make vehicles'capable of traveling safely at over 150mph. At that speed, it will feel like teleporting within a city.'