Map of the Rochester, New York, metropolitan area with I-490 highlighted in red | ||||
Route information | ||||
Auxiliary route of I-90 | ||||
Maintained by NYSDOT | ||||
Length | 37.4 mi[1][2] (60.2 km) | |||
Existed | c. 1961[3][4]–present | |||
History | Completed early 1970s[5][6] | |||
NHS | Entire route | |||
Major junctions | ||||
West end |
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East end |
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Location | ||||
Country | United States | |||
State | New York | |||
Counties | Genesee, Monroe, Ontario | |||
Highway system | ||||
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Interstate 490 (I-490) is an auxiliary Interstate Highway that serves the city of Rochester, New York, in the United States. It acts as a northerly alternate route to the New York State Thruway (I-90), leaving it at exit 47 in the town of Le Roy and rejoining the highway at exit 45 in the town of Victor 37.4 miles (60.2 km) to the east. I-490 connects with I-390 and New York State Route 390 (NY 390) on the western side of Rochester and I-590 and NY 590 on the east side of the city at an interchange known as the Can of Worms. The highway comprises the southernmost portion of the Inner Loop, a beltway around the interior of Rochester. Outside the city, I-490 serves several suburban villages, such as Churchville and Pittsford.
The eastern half of the freeway, named the Eastern Expressway, was built in stages from the 1950s to the 1970s as a connector between the Inner Loop and the thruway, and the section west of the Inner Loop and Downtown Rochester to I-90 in Le Roy is known as the Western Expressway. From Downtown Rochester to the Can of Worms, it follows the former right-of-way of the Rochester subway and, before it, the Erie Canal. The section west of the Inner Loop was mostly built during the 1960s and completed in the early 1970s. During the 1950s and early 1960s, the portion of the Eastern Expressway from what is now the Can of Worms east to Bushnell's Basin was originally designated as part of NY 96. That route was moved back onto its parallel surface routing c. 1961 when I-490 was assigned to the entirety of the then-proposed Le Roy–Victor freeway.
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