Golden Gate Transit

Golden Gate Transit (GGT) is a public transit operator serving the North Bay region of the San Francisco Bay Area in California, United States. It primarily serves Marin County, Sonoma County, and San Francisco, and also provides limited service to Contra Costa County. In 2025, Golden Gate Transit had a ridership of 1,575,600, or about 5,000 per weekday as of the fourth quarter of 2025.