On June 29, 2006, America will celebrate the 50th Anniversary of the Interstate. It marks the day that President Dwight D. Eisenhower signed legislation that provided the funding to construct one of the biggest engineering projects ever undertaken, the Interstate Highway System. This anniversary should draw Americans to reflect on how the 46,500 miles of highway that connect the lower 48 states has improved our quality of life and our economy.
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机译：2006年6月29日，美国将庆祝州际公路50周年。今天是美国总统艾森豪威尔（Dwight D. Eisenhower）签署法案的一天，该法案为建造有史以来最大的工程项目之一-州际公路系统提供了资金。这个周年纪念日应该吸引美国人思考连接下48个州的46,500英里高速公路如何改善我们的生活质量和经济。
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