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Public works (or internal improvements historically in the United States)〔Carter Goodrich, ''(Government Promotion of American Canals and Railroads, 1800-1890 )'' (Greenwood Press, 1960])〕〔Stephen Minicucci, (Internal Improvements and the Union, 1790–1860 ), Studies in American Political Development (2004), 18:2:160-185 Cambridge University Press. .〕〔John Lauritz Larson, ''Internal Improvement: National Public Works and the Promise of Popular Government in the Early United States'', University of North Carolina Press, 2001. ISBN 978-0-8078-4911-8.〕 are a broad category of infrastructure projects, financed and constructed by the government, for recreational, employment, and health and safety uses in the greater community. They include public buildings (municipal buildings, schools, hospitals), transport infrastructure (roads, railroads, bridges, pipelines, canals, ports, airports), public spaces (public squares, parks, beaches), public services (water supply, sewage, electrical grid, dams), and other, usually long-term, physical assets and facilities. Though often interchangeable with public infrastructure and public capital, public works does not necessarily carry an economic component, thereby being a broader term. ==Overview == Public works is a multi-dimensional concept in economics and politics, touching on multiple arenas including: recreation (parks, beaches), aesthetics (trees, green space), economy (goods and people movement, energy), law (police and courts), and neighborhood (community centers, social services buildings). Essentially, it represents any constructed object that augments a nation's physical infrastructure. Municipal infrastructure, urban infrastructure, and rural development usually represent the same concept but imply either large cities or developing nations' concerns respectively. The terms public infrastructure or critical infrastructure are at times used interchangeably. However, critical infrastructure includes public works (dams, waste water systems, bridges, etc.) as well as facilities like hospitals, banks, and telecommunications systems and views them from a national security viewpoint and the impact on the community that the loss of such facilities would entail. Furthermore, the term public works has recently been expanded to include digital public infrastructure projects. The first (US) nationwide digital public works project is an effort to create an open source software platform for e-voting (created and managed by the OSDV).〔(【引用サイトリンク】url=http://www.trustthevote.org/background )〕 Reflecting increased concern with sustainability, urban ecology and quality of life, efforts to move towards sustainable municipal infrastructure are common in developed nations, especially in European Union and Canada (where the FCM InfraGuide provides an officially mandated best practice exchange to move municipalities in this direction). 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「Public works」の詳細全文を読む スポンサード リンク
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