Share this: Facebook Twitter LinkedIn www.sfmta.com/13035 Prediction Unavailable 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 Prediction Unavailable Masonic + Turk Prediction Unavailable 31BX Balboa B Express Live Map