Share this: Facebook Twitter LinkedIn www.sfmta.com/16761 45 to Caltrain Depot 4, 24 min 45 Union/Stockton arrives in 4 minutes. Predictions valid as of 2:26:38 AM 5/13/2025 min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Route & Arrival Details 41 Union 45 Union/Stockton 5 a.m. - 10 p.m. daily Destination Predicted Arrivals Caltrain Depot 4, 24 min Live Map