Interstate 90 in Pennsylvania
| AMVETS Memorial Highway | ||||
I-90 highlighted in red | ||||
| Route information | ||||
| Maintained by PennDOT | ||||
| Length | 46.297 mi (74.508 km) | |||
| NHS | Entire route | |||
| Major junctions | ||||
| West end | I-90 at the Ohio state line | |||
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| East end |
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| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | Erie | |||
| Highway system | ||||
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Interstate 90 (I-90) within the US state of Pennsylvania spans 46.297 miles (74.508 km), all within Erie County, from the Ohio border near West Springfield to the New York border near North East. I-90 is the primary west–east highway in the Erie area, passing south of downtown and having interchanges with I-79, which connects Downtown Erie to southern Pennsylvania and beyond, and I-86, linking Erie to the Southern Tier of New York. U.S. Route 20 (US 20), which has an interchange with I-90 near the New York–Pennsylvania border, parallels I-90 across the county. Throughout its length, I-90 has also been designated as the AMVETS Memorial Highway, with signs posted at each state line.