Share this: Facebook Twitter LinkedIn SFMTA.com/14493 31 to Downtown 8, 30 min Predictions valid as of 4:49:32 PM 4/6/2025 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, 30 min Live Map