Interstate 90

Interstate 90 (sometimes called 90) is a 3,099.07-mile-long (4,987.47 km)[2][3][4][5][6][7] Interstate Highway in the states of Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, and Massachusetts. The road goes from Interstate 5 in Seattle, Washington to Logan International Airport in Boston, Massachusetts. It is the longest Interstate in the country.

Interstate 90 marker

Interstate 90

Map of the contiguous United States with I-90 highlighted in red
Route information
Length3,021.22 mi[1] (4,862.18 km)
Existed1956–present
Major junctions
West end SR 519 in Seattle, WA
Major intersections
East end Route 1A/Logan International Airport in Boston, MA
Location
CountryUnited States
StatesWashington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, Massachusetts
Highway system

References
  1. "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2021". Route Log and Finder List. Federal Highway Administration. January 26, 2022. Archived from the original on April 22, 2012. Retrieved February 10, 2022.
  2. Washington State Department of Transportation (2006). "State Highway Log" (PDF). Archived from the original (PDF) on 2008-04-10. Retrieved 2008-08-27.
  3. Idaho Transportation Department, Milepoint Log Reports Archived 2004-07-14 at the Wayback Machine
  4. Wyoming Department of Transportation, Reference Marker Book Archived 2007-03-11 at the Wayback Machine, November 2004
  5. "Transportation Inventory Management". South Dakota Department of Transportation. Retrieved 2008-06-25.
  6. "Traffic Data Report - I-87 to NY 121" (PDF). NYSDOT. Retrieved 2007-08-05.
  7. "MTA - Toll Mileage Calculator". Massachusetts Turnpike Authority. Archived from the original on 2007-03-20. Retrieved 2007-03-15.
KML is from Wikidata


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