Can of Worms (interchange)
| Can of Worms | |
|---|---|
I-490 westbound heading into the Can of Worms
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| Location | |
| Rochester, New York | |
| Coordinates: | 43°08′35″N 77°32′50″W / 43.143176°N 77.54734°WCoordinates: 43°08′35″N 77°32′50″W / 43.143176°N 77.54734°W |
| Roads at junction: |
 I-490  I-590 / NY 590 NY 96
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| Construction | |
| Type: | Free-flow interchange |
| Constructed: | late 1950s |
| Opened: | c. 1961 |
| Maintained by: | New York State Department of Transportation |
| Map | |
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The Can of Worms is the local name for the intersection of Interstate 490 (I-490), I-590, New York State Route 590 (NY 590), NY 96 (East Avenue), and University Avenue on the east side of Rochester, New York, in the United States. The junction was built during the 1950s and 1960s as part of the Rochester Outer Loop's construction, and rebuilt in the late 1980s to eliminate weaving caused by the interchange's original design. Although the reconstruction eliminated many of the issues, the Can of Worms name stuck and is still used locally.
The Can of Worms is a modified double semi-directional T interchange that connects the east–west I-490 to I-590 south and NY 590 north. NY 590 and I-590 approach I-490 at points roughly 2,000 feet (610 m) apart, resulting in the unorthodox design of the junction. Other movements at the junction connect NY 96 to I-490 eastbound by way of a ramp immediately south of the main junction and link I-490 westbound to NY 96 by way of the adjacent exit 20, which utilizes University Avenue. The Can of Worms is exit 21 on I-490 and exit 5 on I-590 and NY 590.
The interchange is bounded on all sides by commercial and residential developments in the town of Brighton to the east and the city of Rochester to the west. Additionally, the CSX Transportation-owned Rochester Subdivision railroad line traverses the northern half of the interchange, passing over NY 590 and the onramp linking I-490 westbound to NY 590 northbound and under the flyover that connects NY 590 south to I-490. NY 96, meanwhile, goes through the center of the junction, crossing over I-590 but passing under I-490.
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