New York State Route 27A | ||||
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Map of Long Island with NY 27A highlighted in red
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Route information | ||||
Auxiliary route of NY 27 | ||||
Maintained by NYSDOT and Nassau County | ||||
Length: | 17.31 mi (27.86 km) | |||
Existed: | c. 1931 – present | |||
Major junctions | ||||
West end: | NY 27 in Massapequa | |||
Robert Moses Causeway in West Islip Heckscher State Parkway in East Islip |
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East end: | NY 27 / CR 85 in Oakdale | |||
Location | ||||
Counties: | Nassau, Suffolk | |||
Highway system | ||||
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New York State Route 27A Truck |
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Location: | Moriches |
Existed: | 1958–1972 |
New York State Route 27A (NY 27A) is a state highway extending from Massapequa in Nassau County to Oakdale in Suffolk County on Long Island, New York, in the United States. Its two most prominent components are Merrick Road and Montauk Highway.
NY 27A begins at a large junction between NY 27 (the Sunrise Highway) in front of Westfield Sunrise Mall in the town of Oyster Bay, just east of Massapequa. NY 27A proceeds east along Old Sunrise Highway for one block, turning south on Carman Mill Road, which consists of several blocks of residential homes and passing a local school. Several blocks to the south, NY 27A intersects with Merrick Road at a t-intersection. At Merrick Road, NY 27A turns east off Carman Mill and onto Merrick, a four-lane boulevard through the town of Oyster Bay and the hamlet of East Massapequa. NY 27A is commercial for a long distance across East Massapequa, soon bending northeast into an intersection with County Route 1 (County Line Road).
At the intersection with CR 1, NY 27A and Merrick Road cross into Suffolk County and the village of Amityville in the town of Babylon. Now just a two-lane arterial through Amityville, NY 27A crosses east through a commercial section, intersecting with the southern terminus of NY 110 (Broadway) and bending southeast at an intersection with Richmond Avenue. Crossing over a small waterway that drains into the Great South Bay, the route passes south of Amityville Memorial High School. After crossing another waterway, NY 27A crosses into the town of Babylon. Now in the Copiague section of Babylon, the route proceeds northeast through Copiague, intersecting with the southern end of CR 47 (Great Neck Road). Once again a four-lane boulevard, NY 27A crosses into the village of Lindenhurst, now boasting the West Montauk Highway moniker.