> You could adjust the timing of the traffic lights to ensure that the rail line always (or usually) has priority and cross the whole city in ten minutes. Not

> You could adjust the timing of the traffic lights to ensure that the rail line always (or usually) has priority and cross the whole city in ten minutes. Not if you wanted to pick up or drop off passengers. :) But I've ridden N-Judah, and not loved it. Unless it's elevated or subterranean, it's going to be slow.