99.x% vs <1%, if Munich is a model. And if Munich isn't, then I'm curious why not. (FWIW, Munich's transport network includes about 200 underground stations th

99.x% vs <1%, if Munich is a model. And if Munich isn't, then I'm curious why not. (FWIW, Munich's transport network includes about 200 underground stations that aren't just clean, safe and supervised, but also sheltered from rain and open about 21 hours per day.)