»In which we have no common sense
I complain about MUNI an awful lot (and I am hardly alone in my frustration with San Francisco's Municipal Railway), but happily other people are trying to improve the use of public transit in San Francisco. Traincheck is a nifty SMS tool that responds with BART train arrival times. The technology is sound, but, really, who thinks of the Dublin-Pleasanton train as the "Blue Line"?
This brings to mind the old chestnut: You cannot fight city hall, win a land war in Asia, or predict MUNI arrival times. Something like that, yes. Have you ever waited for the J-Church in the evening? in the morning? The damned NextBus LED displays read "Next train in 8 minutes ... in 18 minutes ... in 58 minutes ..." and you half expect it to read "Next train when hell freezes over ... when hell turns to slush ... when hell enjoys springtime ..." because NextBus technology cannot cope with the chaos of MUNI scheduling.