Keep it for your entire ride on all five Muni Metro lines, including anywhere inside the fare gates and on the platforms at the Muni Metro subway stations, from the Embarcadero Station to the West Portal Station. Don't throw your Proof of Payment away while traveling within the Muni Metro system. On the new Breda cars at street-level boarding locations, open the rear doors by pushing the lighted white button. On the older Boeing cars, all doors will open at all stops. Or, you may pay a cash fare or token by boarding through the front door of the first car and depositing cash or a token in the farebox.
Exact change is required.
No change is given. You must take a transfer issued by the operator and keep it during your entire ride for your Proof of Payment. Because of some technical problems, Muni has been unable to provide them with current timetables for some lines. Timetables that are not current have a note identifying them as having changed since the publication date. Timetables that do not have this note are current, even if the publication date is old.