The subject of a grid route strategy came up again in the streetcar thread and I wanted to address it without hijacking the streetcar thread.
I setup a grid based simulation and I just don't see how it will work. A 24 route system (12 n/s and 12 e/w) produced 73 integration points (places where routes crossed each other). This makes timing almost impossible. People could be waiting for 20 minutes or more just to change buses with no way of know which route would be the most time effective. We would probably have to build some kind small station at all 73 stops.
I think we still need to use a wheel style system with a central hub downtown and 6 or 7 remote hubs. Each hub would be fed by upto 3 local circulators and then connected to each other by express service. Each remote hub would connect directly to downtown and a ring route that connects the remote hubs to each other with express buses running clockwise and counter-clockwise routes. All of this would still be limited to the urban core.
As time goes on the express routes could be replaced with streetcars and the system expanded.
Remote hub all connect via express to downtown hub:
Remote hubs connected to each other via express:
As I said before, each hub would have at least 3 local circulators using smaller buses. Each hub would have a waiting area, kiss and go drop-off, system map, automated signage, and maybe food service.
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