Share this: Facebook Twitter LinkedIn SFMTA.com/16442 23 to S.F. Zoo 17, 40 min Predictions valid as of 7:53:37 PM 6/2/2025 min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Sikh Day Parade along Market St. on Sat., June 7. Muni will reroute until approx. 12:30 p.m. Route & Arrival Details 23 Monterey 6 a.m. to 10 p.m. daily Destination Predicted Arrivals S.F. Zoo 17, 40 min Live Map