Different people have different thresholds. some go as high as 12. it is generally excepted that until you get to 7 most people are checking the schedule before

Different people have different thresholds. some go as high as 12. it is generally excepted that until you get to 7 most people are checking the schedule before leaving the door. there is noticable bumbs in ridership down to 5 minutes (not always enough to pay for the costs of that much service) so that should be the goal if a system can do it.