Interstate 90 in Pennsylvania

Interstate 90
AMVETS Memorial Highway
I-90 highlighted in red
Route information
Maintained by PennDOT
Length	46.297 mi[1] (74.508 km)
NHS	Entire route
Major junctions
West end	I-90 at the Ohio state line
Major intersections	US 6N near West Springfield I-79 near Erie US 19 near Erie PA 290 / PA 430 near Erie I-86 near Erie US 20 near State Line
East end	I-90 / New York Thruway at the New York state line
Location
Country	United States
State	Pennsylvania
Counties	Erie
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future Pennsylvania State Route System Interstate US State Scenic Legislative
← PA 89 → PA 90

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.