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I agree that a system that does not deliver is going to fail. Transit systems can have improved scheduling in two ways:

(1) Better scheduling system. My opinion is that most real world systems are not too far away from the optimal trade-off curves. There is always room for improvements, or choosing better trade-offs, but it will rarely drastically improve things.

(2) More ridership: Most problems with speed just disappear if more people ride. For example, you do need a solid buffer when buses come every 30 min or more. But buses that come every 10 min or less, you can get rid of all buffer. A lot of scheduling problems are just not-enough-users problem.




No transit system has the money needed to provide great transit to their entire city even though if they did it would save all residents a large pile of money. They compromise on only the densist areas which are easy but mean that you can't get anywhere else reasonably. Of course some areas will always be easier than others to get to, but far too much of any city is not reasonably reachable without a car and that is a problem.




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