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The following highways are numbered 347:
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The following highways are numbered 347:
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- Heathcote-Rochester Road
Arizona State Route 347 
Arkansas Highway 347 
Colorado State Highway 347 
County Road 347 (Levy County, Florida) 
Georgia State Route 347 
Maryland Route 347 
Mississippi Highway 347 New Jersey Route 347 
New Mexico State Road 347 
Ohio State Route 347 
Pennsylvania Route 347 Puerto Rico Highway 347 
Tennessee State Route 347 
Texas State Highway 347 
Virginia State Route 347 | Preceded by 346 | Lists of highways 347 | Succeeded by 348 |
New York State Route 347 (NY 347) is an east–west arterial road located in Suffolk County, New York, in the United States. It connects the Northern State Parkway in Hauppauge to NY 25A in Mount Sinai. The route serves as a southern bypass of Smithtown and as a direct link between Nesconset and Port Jefferson. Along the way, NY 347 intersects NY 25 in Nesconset and Nicolls Road in Lake Grove. The westernmost 2 miles (3.2 km) of NY 347 is concurrent with NY 454 while the portion northeast of NY 25 parallels NY 25A, which follows a more northerly alignment through the town of Brookhaven than NY 347.
New York State Route 454 (NY 454), also known as the Suffolk County Veterans Memorial Highway or simply Vets Highway, is a 13.67-mile (22.00 km) east–west arterial road in western and central Suffolk County on Long Island in New York. It spans from NY 25 in Commack to NY 27 in Holbrook. The route provides access to the Long Island MacArthur Airport, as well as New York State and Suffolk County government offices, and at one time the Long Island Arena. NY 454 serves as the northern terminus for the Northern State Parkway in Hauppauge, where a concurrency with NY 347 begins.
New York State Route 347 is an east–west state highway in Suffolk County, New York, United States, that was established in 1966.
