> This does not work if you want to speed up routes in rush hour, because people will demand stops at every block.
Actually, this is exactly how Marshrutkas work, at least in Sofia/Bulgaria. They do not stop on "every block", they stop only if they are not full enough or someone wants to get off. But normaly, this persons tell their destination early enough to the driver, so he or she can plan better the few stops. Nowadays most people prefer the Metro over the Marshrutkas though.
Actually, this is exactly how Marshrutkas work, at least in Sofia/Bulgaria. They do not stop on "every block", they stop only if they are not full enough or someone wants to get off. But normaly, this persons tell their destination early enough to the driver, so he or she can plan better the few stops. Nowadays most people prefer the Metro over the Marshrutkas though.