現代十大建築奇觀-08波士頓大挖掘

Big Dig is the unofficial name of the Central Artery/Tunnel Project (CA/T), a megaproject that rerouted the Central Artery (Interstate 93), the chief controlled-access highway through the heart of Boston, Massachusetts, into a 3.5 mile (5.6km) tunnel under the city. The project also included the construction of the Ted Williams Tunnel (extending Interstate 90 to Logan International Airport), the Zakim Bunker Hill Bridge over the Charles River, and the Rose Kennedy Greenway in the space vacated by the previous I-93 elevated roadway. Initially, the plan was also to include a rail connection between Boston's two major train terminals.

The final ramp opened 13 January 2006. The project's overall completion is at 99%.

The Big Dig has been the most expensive highway project in the U.S. Although the project was estimated at $2.8 billion in 1985 (in 1982 dollars), over $14.6 billion had been spent in federal and state tax dollars as of 2006. The project has incurred criminal arrests, escalating costs, death, leaks, and charges of poor execution and use of substandard materials. The Massachusetts Attorney General is demanding contractors refund taxpayers $108 million for "shoddy work." ...

波士頓大挖掘是150億美元的都市更新計畫
為了消除60年前所建設的高架高速公路造成景觀破壞
計畫在1991年開始動工預計花13年完成(似乎有所延遲)

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