And those difficulties are imaginary. If I wanted a high speed public rail line throughout Florida, a dense, narrow, flat state that's the size of a small count

And those difficulties are imaginary. If I wanted a high speed public rail line throughout Florida, a dense, narrow, flat state that's the size of a small country. Where is the scale challenge? Europe and America are about the same size. Why aren't you concerned about European scale? Why does it matter how your brain pictures administrative boundaries?