Or if the Caltrain ran every 15 minutes from 5AM to 1AM and charged $1/ride? Then you'd have absolute gridlock at all unseparated crossings (e.g. Castro Stree

Or if the Caltrain ran every 15 minutes from 5AM to 1AM and charged $1/ride? Then you'd have absolute gridlock at all unseparated crossings (e.g. Castro Street, Rengstorff, Menlo, Redwood City, etc. Those would have to be separated first.