Share this: Facebook Twitter LinkedIn www.sfmta.com/16441 23 to S.F. Zoo 0, 30 min 23 Monterey S.F. Zoo is arriving. Predictions valid as of 3:38:06 PM 5/18/2025 min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Bay to Breakers is today. Visit SFMTA.com/B2B for all reroute info Route & Arrival Details 23 Monterey 6 a.m. to 10 p.m. daily Destination Predicted Arrivals S.F. Zoo Arriving, 30 min Live Map