I read that the other day. Pretty cool. Would hate to be in a train wreck going that fast though! I imagine a cow or car on a railroad crossing could ruin your whole day.
They are trying to build one here in Calif. from L.A to S.F
but the environmentalist keep causing it to be halted.
you would think they would favor it but No, it infringes on some litte critters, bugs, rats what have you.