"How can one mile of [NSRL] cost as much as London's Crossrail at 20 miles?"
"A first class regional rail system"
"I think it's time now to get moving."
1) "Labor mobility is an important ingredient in regional competitiveness."
2) Tunneling costs have decreased dramatically.
3) Consider avoided costs (he doesn't mention SSX by name but clearly references it obliquely).
2) Effect of passenger comfort, security, convenience improvements are not modeled.
3) Only transit services open to public included (no employee shuttles)
5) Model doesn't include timeliness constraints (e.g., work hours or day care pickup)
6) There is no TNC data to model.