Interstate 390 Auxiliary route of the Interstate Highway System
Length:	76 mi (122 km)
Formed:
South end:	I-86 in Avoca, NY
Major junctions:	I-90 in Henrietta, NY I-590 in Brighton, NY
North end:	I-490 in Gates, NY

Interstate 390 (abbreviated I-390) is an interstate highway spur route that is located entirely in the state of New York. I-390 runs for 76 miles north-south from Rochester, New York to the small town of Avoca, New York, where it meets I-86/NY 17. It is one of the longest Interstate spur routes. I-390 effectively replaced U.S. Highway 15 in upstate New York. The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System, is a network of highways in the United States. ... A mile is a unit of distance (or, in physics terminology, length) currently defined as 5,280 feet, 1,760 yards, or 63,360 inches. ... A kilometre (American spelling: kilometer), symbol: km is a unit of length in the metric system equal to 1000 metres (from the Greek words χίλια (khilia) = thousand and μέτρο (metro) = count/measure). ... Interstate 86 is the designation of two interstate highways in different parts of the United States. ... Avoca, New York is the name of a town and a village in Steuben County, New York. ... Image File history File links I-90. ... Interstate 90 (abbreviated I-90) is the longest interstate highway in the United States at over 3,000 miles (4,800 kilometers). ... Henrietta is a town located in Monroe County, New York. ... Interstate 590 is a tertiary spur interstate route of Interstate 90 in the City of Rochester, New York. ... There are two towns named Brighton in New York State. ... Interstate 490 is the name of two distinct interstate highway spur routes of Interstate 90 in the United States: in Ohio and New York. ... Gates is a town in Monroe County, New York. ... Interstate Highways in the lower 48 states. ... A spur route in the United States Interstate highway system refers to a branch off of a primary interstate that connects with a destination away from the primary interstate. ... Official language(s) None, English de facto Capital Albany Largest city New York City Area  - Total  - Width  - Length  - % water  - Latitude  - Longitude Ranked 27th 141,205 km² 455 km 530 km 13. ... A mile is a unit of distance (or, in physics terminology, length) currently defined as 5,280 feet, 1,760 yards, or 63,360 inches. ... There is also a Rochester in Ulster County, New York; for that town see Rochester, Ulster County, New York. ... Avoca, New York is the name of a town and a village in Steuben County, New York. ... Interstate 86 runs from an intersection with Interstate 90 in Erie, Pennsylvania to Elmira, New York at the border between Chemung County, New York and Steuben County, New York along what was formerly New York State Highway 17. ... Junction Location Chautauqua I-90 0. ... U.S. Highway 15 is a north-south United States highway that runs for 794 miles from central New York to southern South Carolina. ...

The northern terminus of I-390 is at Interstate 490 (Western Expressway) in Rochester. (It continues on, as New York State Highway 390 to the Lake Ontario State Parkway.) Just south of Rochester it intersects with Interstate 90, also known as the New York State Thruway. In addition to servicing Rochester, I-390 serves as an important connecting route between the Buffalo and Rochester metropolitan areas and Corning and the rest of the southern tier of New York. The 37. ... This is an extension of Interstate 390 in the Rochester, New York area. ... Interstate 90 (abbreviated I-90) is the longest interstate highway in the United States at over 3,000 miles (4,800 kilometers). ... NY Thruway Sign The New York State Thruway (officially the Thomas E. Dewey Thruway) is a limited-access toll highway in the U.S. state of New York. ... Official website: Buffalo, NY Location Location of Buffalo in New York State Government County Erie County Mayor Byron Brown Geographical characteristics Area Total 136. ... Corning, New York is the name of two places in Steuben County, New York, although it most frequently means the City of Corning. ...

Major cities

Bolded cities are officially-designated control cities for signs. A control city is a city or locality posted on a traffic sign indicating forward destinations on a certain route. ...

• Corning, New York
• Rochester, New York

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	edit Auxiliary routes of Interstate 90
I-190	Illinois - Massachusetts - New York - South Dakota
I-290	Illinois - Massachusetts - New York
I-390	New York
I-490	New York - Ohio
I-590	New York
I-690	New York
I-790	New York
I-890	New York
I-990	New York
past/ future	I-290: Ohio