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Bay Area Rapid Transit, widely known by the acronym BART, is the main rail transportation system for the San Francisco Bay Area. It was envisioned as early as 1946 but the construction of the original system began in the 1960s. ==Origins and planning== The idea of an underwater electric rail tube was first proposed in the early 1900s by Francis "Borax" Smith. It is no coincidence that much of BART's current coverage area was once served by the electrified streetcar and suburban train network called the Key System. This early twentieth century system once had regular trans-bay traffic across the lower deck of the Bay Bridge. By the 1950s the entire system had been dismantled in favor of automobiles and buses and the explosive growth of highway construction. There were also plans for a third-rail powered subway line ''(Twin Peaks Tunnel)'' under Market Street in the 1910s.〔McGraw Publishing: ''REPORT ON MARKET STREET RAPID TRANSIT TUNNEL''. In: Electric Railway Journal, Vol. XL, No. 15, October 19, 1912, p. 883.〕 Proposals for the modern rapid transit system now in service began in 1946 by Bay Area business leaders concerned with increased post-war migration and growing congestion in the region. An Army-Navy task force concluded that an additional trans-bay crossing would soon be needed and recommended a tunnel; however, actual planning for a rapid transit system did not begin until the 1950s. In 1951, California's legislature created the San Francisco Bay Area Rapid Transit Commission to study the Bay Area's long-term transportation needs. The commission's 1957 final report concluded the most cost-effective solution for the Bay Area's traffic woes would be to form a transit district charged with the construction and operation of a high-speed rapid rail system linking the cities and suburbs. Nine Bay Area counties were included in the initial planning commission.〔(【引用サイトリンク】History of BART (1946-1972) )〕 The San Francisco Bay Area Rapid Transit District was formed by the state legislature in 1957, comprising the counties of Alameda, Contra Costa, Marin, San Francisco, and San Mateo. Because Santa Clara County opted instead to first concentrate on its Expressway System, that county was not included in the original BART District. In 1959 a bill was passed in the state legislature that provided for the entire cost of construction of the tube to be paid for with surplus toll revenues from the San Francisco – Oakland Bay Bridge. This represented a significant portion of the total cost of the system.〔See BART Composite Report, prepared by Parsons Brinkerhof Tutor Bechtel, 1962〕 By 1961 a final plan for the new system was sent to the boards of supervisors of each of the five counties. The system's initial plans were for four lines connecting Concord in the east, Richmond in the northeast, Fremont in the southeast, Palo Alto in the southwest, and Novato in the north-west. However, in April 1962 San Mateo County made the decision to opt out, citing high costs, existing service provided by Southern Pacific commuter trains, and concerns over shoppers leaving their county for stores in San Francisco. Marin County followed soon thereafter in May. Marin was forced out of the BART district because of engineering objections from the board of directors of the Golden Gate Bridge. BART officials refused to allow Marin supervisors to stay in the district because they were afraid Marin voters would not approve the bonds, which had to win more than 60% approval. The BART plans were finally approved by the voters of the three remaining participating counties in November 1962. In the 1980s planning was underway for extension south from San Francisco, the first step being the Daly City Tailtrack Project, upon which turnaround project the San Francisco Airport Extension would later build.〔C. M. Hogan, Kay Wilson, M. Papineau et al., Environmental Impact Statement for the BART Daly City Tailtrack Project, Earth Metrics, published by the U.S Urban Mass Transit Administration and the Bay Area Rapid Transit District 1984〕 BART has been featured in a number of films including:〔(BART in the movies: From THX 1138 to Predator 2 to Will Smith ), BART News, August 8, 2008, accessed August 18, 2008〕 the unfinished Transbay Tube in ''THX 1138''; ''The Domino Principle'', wherein Gene Hackman's character is on a train at the Fruitvale station; a fight scene in ''Predator 2''; and ''The Pursuit of Happyness'', which showed numerous BART stations including a fictional one in Duboce Park that prompted complaints that the new station only had one entrance, this entrance was in reality a set design for the film. The system has also been shown in other films but has played a less significant role such as being in the background as in ''The Kite Runner'', ''They Call Me Mister Tibbs!'', ''An Eye for an Eye'', and ''Kuffs''. Mission District stations were also used in at least one episode of ''The Streets of San Francisco''. In addition to feature films there is an "underground earthquake simulator" at Universal Studios Hollywood that uses a BART train.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「History of the Bay Area Rapid Transit」の詳細全文を読む スポンサード リンク
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