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Boston Transportation Planning Review (BTPR), published in 1972, was a transportation planning program for metropolitan Boston, Massachusetts, which was responsible for analyzing and redesigning the entire area-wide transit and highway system in the 1970s. The major contractors involved were Alan M. Voorhees Company (Virginia), project manager; Skidmore, Owings and Merrill (New York), architect; ESL Incorporated (California), air quality and acoustics. The program had close guidance from the national Transportation Research Board (TRB), a division of the US National Academy of Sciences.〔Toby Pearlstein, ''Transportation planning in the Boston metropolitan area, 1930-1982'', Chicago, Ill. : CPL Bibliographies, 1983.53 p. CPL bibliography ; no. 128〕 The first director of the program reporting to the Governor was Alan Altshuler; the project manager was Walter Hansen. Comprehensive re-evaluation of areawide transportation plans was a major theme in the last quarter of the twentieth century for large US cities. The US Department of Transportation has said "the prototype for these reevaluations was the Boston Transportation Planning Review"(). Scope of the BTPR studies included evaluation and upgrading of all four MBTA mass transit rail lines and examination of every major highway and arterial project in the region. ==Major elements== The following exemplify some of the principal study elements of the Boston Transportation Planning Review: * Conceptual design of the rerouted Orange Line mass transit rail service to the southwest of Boston. * Expansion plans for the Red Line mass transit Braintree and Northwest Corridor extensions. * Moratorium on expressway construction inside of Route 128 for the decade. * First concept of depressing the Central Artery,〔Boston Transportation Planning Review with Alan M. Voorhees & Assoc., ''Central Artery'', Prepared for the Commonwealth of Massachusetts, EOTC, DPW, and MBTA, November 1972〕〔Boston Redevelopment Authority, ''Central Artery Depression: A Preliminary Feasibility Study, Final Draft'', 1975〕 leading to the Big Dig.〔Alan Altshuler and David Luberoff, Mega-Projects: The Changing Politics of Urban Public Investment (Washington, DC: Brookings Institution, 2003). ISBN 0-8157-0129-2〕 * Upgrading of Route 1A from Boston to Salem. 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「Boston Transportation Planning Review」の詳細全文を読む スポンサード リンク
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