http://www.telegraph.co.uk/technology/n ... sound.htmlInside the Hyperloop: the pneumatic travel system faster than the speed of sound
It is called “The Hyperloop” and, according to the designer, it will be a revolutionary “fifth mode” of transport, eclipsing trains, planes, boats and automobiles.
So, the billionaire behind this has a track record for success.
https://www.google.com/search?q=Elon+Mu ... hannel=rcs
I can't imagine getting a return on the dollar. But it would probably be cheaper than high-speed rail.