Share this: Facebook Twitter LinkedIn www.sfmta.com/16717 31 to Downtown 8, 28 min Predictions valid as of 5:34:28 PM 5/11/2025 min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Route & Arrival Details 31 Balboa 5 a.m. to 10 p.m. daily Destination Predicted Arrivals Caltrain Prediction Unavailable Downtown 8, 28 min Live Map