Santa Cruz Metropolitan Transit District (SCMTD), or simply Santa Cruz METRO, provides bus service throughout Santa Cruz County, California. In 2021, the system had a ridership of 1,762,800, or about 10,500 per weekday as of the second quarter of 2022. Santa Cruz METRO also operates the Highway 17 Express service for Amtrak Thruway between the city of Santa Cruz and San Jose Diridon station, in partnership with Amtrak California and the Santa Clara Valley Transportation Authority.