As of May 2020, the County Connection operates 25 weekday routes (three of which also operate on weekends), seven weekend-only routes, and 19 school tripper routes within central Contra Costa County.CCCTA – Maps & Schedules All routes, with the exception of some of the 600-numbered series select service trips, connect with regional train service, primarily BART, in addition to ACE in Pleasanton and Amtrak, including Amtrak California's Capitol Corridor and San Joaquin services in Martinez. Among its 30 weekday routes, the County Connection operates seven express routes (Routes 91X—98X). With support from the city of Walnut Creek, the County Connection also operates a free downtown circulator with trolley livery (Route 4) with service between Walnut Creek and Broadway Plaza.
