From the first railroads to the interstate highway system, our nation has always been built to compete.

从第一条铁路建成到州际公路系统，我们的国家一直在建设之中。

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The major work on the Interstate Highway System was completed around nineteen-ninety.

VOA: special.2010.01.11

We built the transcontinental railroad, the Interstate Highway System, the Hoover Dam, Grand Central Station.

WHITEHOUSE: President Obama on Retaining Teachers and the American Jobs Act | The White House

It was Eisenhower who launched the Interstate Highway System and new investment in scientific research.

WHITEHOUSE: President Obama Speaks at the Associated Press Luncheon

That was before the interstate highway system and Medicare and scores of other programs we rely on.

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