Inside the ‘Tunnel’ Elon Musk Is Already Digging Under Los Angeles (wired.com)

Click baity title. He's digging a trench on his own property.

“We’re just going to figure out what it takes to improve tunneling speed by, I think, somewhere between 500 and 1,000 percent,” he said Sunday during a hyperloop design competition at SpaceX. “We have no idea what we’re doing—I want to be clear about that.”

Definitely the money quote.