Longest interstate highway is I-90.
Interstate 80
Interstate 75
Interstate 95 - East Coast Highway
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.
No. Interstate 90 is the longest Interstate Highway in the United States.
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.
Savannah river
Interstate 90. As an aside, the mid-point of the highway is near Blue Earth, MN.
The longest highway in West Virginia is Route 20. It is 262.1 miles long and runs from north to south.
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.
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