Elon Musk wants to build a traffic-skipping tunnel utopia
 

Back in December, SpaceX and Tesla founder Elon Musk sent a frustrated tweet vowing to alleviate traffic by grabbing a tunnel-boring machine and going to work. While this seemed like the usual What If thought Musk dispatches to the Twitterverse, it s...

https://www.engadget.com/2017/04/28/...tunnel-utopia/