Map of the contiguous United States with I-90 highlighted in red | |
| Route information | |
| Length | 3,021.22 mi (4,862.18 km) |
| Existed | 1956–present |
| NHS | Entire route |
| Major junctions | |
| West end | |
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| East end | |
| Location | |
| Country | United States |
| States | Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, Massachusetts |
| Highway system | |
Interstate 90 (sometimes called I-90) is a very long Interstate Highway in the United States. It goes 3,021 miles (4,862 km) across the country from Interstate 5 in Seattle to Logan International Airport in Boston and is the longest Interstate Highway. I-90 runs through the states of Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, and Massachusetts.
In some locations, drivers need to pay a toll to drive on Interstate 90.
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