I imagine there's perception of issues similar to what plagues the bay area transit systems: in order to pass through an area you have to win the approval of ev

I imagine there's perception of issues similar to what plagues the bay area transit systems: in order to pass through an area you have to win the approval of every political unit of every size along the way (this is why BART ends where it does, for example, because San Mateo county refused to allow or participate in BART).