Right, but it doesn't necessarily mean that it is possible to have such system here. World also abounds with countries building cheap rail, but when we attempt

Right, but it doesn't necessarily mean that it is possible to have such system here. World also abounds with countries building cheap rail, but when we attempt this, it's very expensive. Just because it can be done, doesn't mean that it will end up happening the way you wish it to happen. I think it would be worthwhile to have a pilot program of it here, say with a single small state introducing it. It could show us how it would end up working in practice.