Note that Muni provides regular weekday service on the day after Thanksgiving Day. Look for an L in the left column of the timetable. Express coaches make stops in their areas of origin and then run non-stop to their destinations. Except for the 9X San Bruno Express, express services run only on weekdays during morning and afternoon rush hours in the rush hour direction. The 9X runs in both directions during both rush hours and also runs on Saturdays.
Express timetables are separate from non-express timetables.
Look for an X in the left column of the express timetable. A and B Expresses - Many of the express lines are divided into A and B sections. On weekday mornings, the A and B expresses make stops in their own sections and then travel non-stop to downtown, where they make the same stops. In the afternoon, they make the return trip from downtown to their respective areas. Look for an A or B in the left column of the timetable.