Bay Area Rapid Transit District
VTA operates three light rail lines, a number of bus lines, and paratransit service. VTA is a member agency of Peninsula Corridor Joint Powers Board that manages Caltrain commuter rail, providing one-third of annual operating funds and all the funding for specific improvement projects within Santa Clara County. VTA is also a member agency of Capitol Corridor Joint Powers Authority that manages Capitol Corridor intercity rail service. The VTA is responsible for building the Silicon Valley BART extension but is not a member of the Bay Area Rapid Transit District.