"A full build out of the concept could end up being a private uncontested highway system mirroring the congested public one for use only by a very rich few."

That was exactly my thought when I read about the test. I have a hard time seeing how this can scale in capacity. But getting himself out of the gridlock...now that's...something at least. Speed similar to a helicopter ride above the traffic without all the hassle of getting on and off and finding a place to land.

Not sure it's a good thing.