Sunnyvale is one of the major cities in the Silicon Valley region. Originally a heavily agricultural region, Sunnyvale was the home of a large fruit canning industry until the middle of the 1900s. At that time, there was an influx of industry related to the manufacturing of airplanes and defense industry products.
The VTA, or Valley Transportation Authority, has 69 bus routes and a light rail that serving the Santa Clara Valley. It extends all the way Northeast, connecting to the BART system. CalTrain also offers service from Sunnyvale to BART and San Francisco. San Francisco International Airport is located about 15 miles outside of the city.