An image tweeted by Elon Musk of a prototype of an underground transportation tunnel proposed for Los Angeles. | Elon Musk/Twitter

Elon Musk Tweets Out First Glimpse of LA Underground Tunnel System

Musk tweeted an image showing a prototype of a proposed hyperloop for ferrying vehicles underground the city at 125 mph.

Published On 10/30/2017
2:56 PM EDT
The Boring Company