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The Texas Triangle is one of eleven ''megaregions'' in the United States. These are urban areas that are much greater in scale than a metropolitan statistical area (MSA), defined by the US Census Bureau. These regions also are known as ''megapolitan areas''. This term is derived from the fact that the three main cities in the Texas Triangle are connected by a highway system of Interstate 45, Interstate 10, and Interstate 35, which form a triangle when connected. In 2004, the Texas Triangle contained 5 of the 20 biggest cities in the US, and was home to more than 70% of all Texans (pop 13.8 million).〔(【引用サイトリンク】title=The Simple Economics of the Texas Triangle - Houston Business, Jan. 2004 - FRB Dallas )〕 In the next 40 years, the population of the Texas Triangle has been projected to grow more than 65%,〔(【引用サイトリンク】title=Reinventing The Texas Triangle - UTexas CSD - 2009 )〕 or an additional ten million people, leading to 78% of Texans living and working within the Texas Triangle. From a resident's perspective, the Triangle is gradually becoming synonymous with Texas.〔Regional Plan Association (2008). ''America 2050: An Infrastructure Vision for 21st Century America''. New York, NY: Regional Plan Association.〕 The Triangle is anchored by the metropolitan areas of Houston, Dallas–Fort Worth, Austin, and San Antonio. Additional MSAs in the region include Bryan-College Station, Killeen-Temple-Fort Hood, and Waco. Twelve micropolitan statistical areas are within the Triangle, which includes 66 counties.〔http://www.texastriangle.biz/2009/02/megas-metros-micros.html〕 Beaumont, located east of Houston, has been considered part of the Texas Triangle by numerous studies dating from 2000. Burleson County is the center of the Texas Triangle. Sizable metro areas in Texas outside the Triangle are Corpus Christi, El Paso, Lubbock, Midland-Odessa, Abilene, San Angelo, Laredo, Amarillo, Tyler, Longview and the Rio Grande Valley, which developed according to different histories and geographies. The megaregion is defined in work by "America 2050" and others. Dr. Robert Lang of the Metropolitan Institute at Virginia Tech characterized Dallas–Fort Worth as one of the earliest recognized megapolitans. Although each city is distinct, Dallas and Fort Worth developed closely enough to form the urban area widely known as "The Metroplex." A conference about the future of the Texas Triangle was held by Houston Tomorrow and America 2050 on September 24–25, 2009 in Houston. The region contains most of the state's largest cities and metropolitan areas, and in 2008 had a total of 17 million people, nearly 75 percent of Texas's total population. The region is comparable to Florida in population and comparable to Georgia in area. But, the Texas triangle comprises less than a quarter of Texas's total land area. According to the University of Texas at Austin Center for Sustainable Development, "the Texas Triangle has three sides measuring 271, 198, and 241 miles in ground distance." ==Metropolitan areas== *Austin–Round Rock–San Marcos Metropolitan Statistical Area *Beaumont–Port Arthur Metropolitan Statistical Area *Bryan–College Station Metropolitan Statistical Area *Dallas–Fort Worth–Arlington Metropolitan Statistical Area * *Principal cities:〔(Current Lists of Metropolitan and Micropolitan Statistical Areas and Definitions ) - U.S. Office of Management and Budget. Retrieved March 16, 2008.〕 Dallas, Fort Worth, Arlington, Plano, Irving, Carrollton, Denton, Richardson, and McKinney * Metropolitan Statistical Area * *Principal cities:〔 Houston, The Woodlands, Sugar Land, Baytown, Conroe, and Galveston *Killeen–Temple–Fort Hood Metropolitan Statistical Area *San Antonio–New Braunfels Metropolitan Statistical Area *Waco Metropolitan Statistical Area 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「Texas Triangle」の詳細全文を読む スポンサード リンク
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