Share this: Facebook Twitter LinkedIn SFMTA.com/16434 Prediction Unavailable min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Route & Arrival Details 18 46th Avenue 6 a.m. to 10 p.m. daily 58 Lake Merced Weekdays 5 a.m. - 10 p.m.; Weekends 6 a.m. - 10 p.m. Live Map