Almost everything Musk is involved with today on a public level has the ability to be used & useful for Mars colonies.As to this boring idea for Earth, I don't think we see enough of his solution to understand how near-term or practical it is.
Or whether he is just trolling...
Alternately, he has grown to hate I-405 from his home in Bel Air driving south to SpaceX/Hawthorne. That stretch of lovely LA freeway can drive anyone insane.
Quote from: Stan-1967 on 01/26/2017 07:34 pm Alternately, he has grown to hate I-405 from his home in Bel Air driving south to SpaceX/Hawthorne. That stretch of lovely LA freeway can drive anyone insane.Helicopter
Some speculate that this is only going to be a pedestrian underpass/tunnel from the main building to the parking deck.
Starting across from my desk at SpaceX. Crenshaw and the 105 Freeway, which is 5 mins from LAX