83X Mid-Market Express UCSF/Mission Bay Construction Phase D: February 9, 2019 through March Saturday, February 9, 2019 - 4:00am No Winter Service for E Streetcar and 83X Express Bus: January 22, 2019 Tuesday, January 22, 2019 - 5:00am Service Frequencies Wait time between vehicles Morning weekday service operates from 7:10 AM to 10:20 AM. Afternoon and evening weekday service operates from 4:00 PM to 7:50 PM. There is no weekend service. Neighborhoods Downtown/Civic Center South of Market 83X Mid Market Express PDF Map Stops/Description Inbound to Civic Center Stop Name Townsend & 5th St Stop ID - public 17776 NextBus Link Live Data Stop Name Townsend St & 8th St Stop ID - public 17683 NextBus Link Live Data Stop Name 9th St & Market St Stop ID - public 137669 NextBus Link Live Data Outbound to Caltrain Stop Name 9th St & Market St Stop ID - public 17669 NextBus Link Live Data Stop Name 8th St & Market St Stop ID - public 13209 NextBus Link Live Data Stop Name Brannan St & 8th St Stop ID - public 17684 NextBus Link Live Data Stop Name 4th St & Townsend St Stop ID - public 13163 NextBus Link Live Data Description This route is in effect during weekday extended peak hours only. Inbound 4th and Townsend (Caltrain station) via Townsend, Division, 9th to Market. Express Area: Stops only at 4th and Townsend, 9th and Market. Outbound 9th and Market via Market, 8th, Brannan, 4th to terminal (Caltrain). Express Area: Stops only at 9th and Market, 8th and Market, 4th and Townsend.