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The longest Interstate Highway is I-90, running from Boston MA to Seatle WA with about 3100 miles.. The second longest Interstate highway is I-80, running from San Francisco CA to New York NY with about 2900 miles.

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What is the name of the longest highway in the US?

Longest interstate highway is I-90.


What is the longest interstate in US?

The longest Interstate Highway is I-90, running from Boston MA to Seatle WA with about 3100 miles.. The second longest Interstate highway is I-80, running from San Francisco CA to New York NY with about 2900 miles.


What is the name of the longest highway in US?

Interstate 90. As an aside, the mid-point of the highway is near Blue Earth, MN.


What is the longest highway in Colorado?

Interstate 75


What is Nevada's longest highway?

Interstate 80


What is the third longest interstate highway?

I 40


What is the longest highway in Maryland?

Interstate 95 - East Coast Highway


Is Interstate 20 longer than Interstate 90?

No. Interstate 90 is the longest Interstate Highway in the United States.


Which is the longest two-digit US Interstate highway ending with 5?

It is interstate 95.It is the longest because it passes through Florida and ends in Miami, a major southern Florida city. Next on the list is interstate 35.


What is the longest road in the US?

Longest Interstate-Interstate 90 From Seattle, WA to Boston, MA 3099 Miles Longest US Highway- US 20 From Newport, OR to Boston, MA 3365 Miles Longest US State Highway-Montana State Highway 200 from Heron, MT to Fairview, MT 701 Miles


What are the names of roads in Colorado?

Interstate 70, Interstate 76, Interstate 25, US Highway 50, US Highway 24, US Highway 85, US Highway 87, US Highway 287, US Highway 40, Colorado Route 9... those are some of your major thoroughfares.


What US Interstate Highway runs through Helena Montana?

The US Interstate Highway that runs through Helena, Montana is Interstate 15.