Santa Clara Valley Transportation Authority

The Santa Clara Valley Transportation Authority, more commonly known simply as the Valley Transportation Authority (VTA), is a special district responsible for public transit services, congestion management, specific highway capacity expansion projects, and countywide transportation planning for Santa Clara County, California. It serves San Jose, California, and the surrounding Silicon Valley. It is one of the governing parties for the Caltrain commuter rail line that serves the county. In 2025, the VTA's public transportation services had a combined ridership of 27,576,300, or about 93,000 per weekday as of the first quarter of 2026.