Share this: Facebook Twitter LinkedIn SFMTA.com/17860 Prediction Unavailable min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Muni Fare Changes Effective Jan. 1. Visit SFMTA.com/Fares. Route & Arrival Details 19 Polk 5 a.m. - 10 p.m. daily