A Vancouver like skytrain - but down every major street, with stops every half mile (my city is laid out on mile grids). These go not downtown, but to the middle of every township (Townships in the US are squares 6 miles on a side) - these trains are really going township to township, but you are mostly expected to ride to the center of your township). From there you can get express trains to every suburb around, and those continue on through the city. All of this frequent so once you arrive it is only a few minutes until the train arrives, and fully automated