The Santa Clara Valley Transportation Authority (VTA) is constructing a 10.15-mile extension of the Bay Area Rapid Transit (BART) heavy rail system from Fremont to Berryessa Road in San Jose. The Silicon Valley Berryessa Extension (SVBX) project will be built on former Union Pacific freight railroad right-of-way, linking the future Warm Springs BART station in Fremont to Berryessa with an intermediate station adjacent to the existing VTA Montague light rail station in Milpitas. The SVBX will be a two-track, third rail powered, exclusive guideway heavy rail system operating under automatic train control. The project includes the purchase of 40 new BART passenger cars for operation on the extension, 4,800 parking spaces as well as improvements to the existing BART-Hayward rail car storage and maintenance yard. The project is expected to serve 46,000 average weekday trips in 2035.