What is the longest interstate highway in the US?

What is the longest interstate highway in the US?

#1. I-90. As the longest interstate in the U.S., I-90 connects Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, and Massachusetts.

What 4 states do not have an interstate highway?

The four state capitals not served by the interstate highway system are: Juneau, AK; Dover, DE; Jefferson City, MO; and Pierre, SD. In this episode, we learn another animal Sheldon does not like; hamsters.

What’s the difference between highways and interstates?

Unlike highways which are controlled-access or limited access roadways, interstates are restricted access roadways that go across state boundaries to connect different states. Highways serve major centers of metropolitan areas including major cities and towns, whereas interstates connect different states together.

Why do Hawaii have Interstate highways?

Hawaii’s interstate highways were designed to help the state obtain supplies from one military base to another to protect the United States from a Soviet invasion. Not all interstates stretch from one state to another, in fact, the name simply suggests that federal funding is provided.

Why are interstate highways in Hawaii?

How many interstate highways are there in the US?

I-40 in Memphis,Tennessee was rerouted and part of the original I-40 is still in use as the eastern half of Sam Cooper Boulevard.

  • I-66 in the District of Columbia was abandoned in 1977.
  • I-69 was to continue past its terminus at Interstate 465 to intersect with Interstate 70 and Interstate 65 at the north split,northeast of downtown Indianapolis.
  • What Interstate Highway is most traveled?

    – That’s No Rest Stop, It’s A ‘Travel Plaza’ August 29, 2010 • The Delaware Travel Plaza was never so classy. – Paying A Local Price For I-95’s Global Promise. August 28, 2010 • Interstates changed the way we think about cities. – It’s The Heart That Keeps I-95’s Economy Pumping.

    What is the longest highway in the US?

    US-1: 2,593 miles.

  • US-2: 2,643 miles.
  • I-80: 2,899.59 miles.
  • US-50: 3,007 miles.
  • I-90: 3,020.44 miles.
  • US-30: 3,073 miles. A sign for US Route 30 in Pennsylvania.
  • US-6: 3,227 miles. A sign for US Route 6 in Provincetown,Massachusetts.
  • US-20: 3,365 miles. A sign for US 20 in Boston,Massachusetts.
  • What are the major highways in the US?


  • California
  • Colorado
  • Idaho
  • Nevada
  • New Mexico
  • Oregon
  • Utah
  • Washington
  • Wyoming