by Drublic on January 18th, 2007

Drublic

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What is the longest highway in the United States?

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Answers. 6 helpful answers below.

  • by JohnnyBones on January 18th, 2007

    JohnnyBones

    I think it used to be route 66

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  • by mstdawn on January 18th, 2007

    mstdawn

    The longest road in the United States was once the second longest: U.S. 20 from Boston, Massachusetts, to Newport, Oregon!

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  • by josef904 on March 12th, 2009

    josef904

    route 66

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  • by TJ4TJ4 on January 21st, 2009

    TJ4TJ4

    The longest INTERSTATE is I-90 from Seattle to Boston at 2090 miles. Source: Federal Highway Administration website.

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  • by thekingcobra63 on December 23rd, 2008

    thekingcobra63

    US 20, From Boston, MA, to Newport Or.

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  • by Anonymous on June 1st, 2008

    Anonymous

    Its US Route 20 at 3,365 miles. Source: Wikipedia, the free encylopedia.

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