There always seems to be talk of intercity high speed rail. Usually by progressives that want to get us out of our cars and aircraft.To be economically viable there are several things that such a service must provide. 1. Cost equivalent to air travel. 2. Transfer stations in convenient locations, not necessarily city centers. 3. Privately run but government encouraged with expedited environmental impact and right of ways. For number one to work the cost of the infrastructure to build the system must be relatively low and much of this includes right of way. The tubular rail system can use...