page_title: Northern State Parkway
section_title: Woodbury to Commack
hierarchical_section_title: Northern State Parkway / Route description / Woodbury to Commack
caption_attribution_description: English: The Northern State Parkway as seen from exit&#160;45 in Commack, New York.
context_page_description: The Northern State Parkway is a 28.88-mile-long limited-access state parkway on Long Island in the U.S. state of New York. The western terminus is at the Queens–Nassau County line, where the parkway continues westward into New York City as the Grand Central Parkway. The eastern terminus is at New York State Route 347 and NY 454 in Hauppauge. The parkway is designated New York State Route 908G, an unsigned reference route. As its name implies, the parkway services communities along the northern half of the island.
  In western Nassau County the parkway sports six lanes, three eastbound and three westbound, narrowing to four lanes total in central Nassau at the Wantagh Parkway and through its twelve miles or so in western Suffolk County, where it ends. It was constructed in stages throughout the 1930s and again post-World War II in the late 1940s/early 1950s until it reached its current terminus in Hauppauge in 1965. The Northern State Parkway is an eastern extension of the Grand Central Parkway. It was part of master planner Robert Moses' extensive road-building campaign and was built as a sister road to the Southern State Parkway.
context_section_description: In Woodbury, the Northern State Parkway continues east, crossing under Woodbury Road before entering a partial cloverleaf interchange with NY 135 (the Seaford–Oyster Bay Expressway). After NY 135, the parkway bends northeast, entering exit 37, which connects to Manetto Hill Road. A short distance after, the parkway enters another interchange with the Long Island Expressway (exit 37A) and an interchange with Sunnyside Boulevard (exit 38). Here, the route enters Trail View State Park before becoming a divided four-lane parkway through dense woods. The parkway makes a gradual bend to the east, then southeast, crossing the county line into Suffolk County just west of exit 39. Now in the town of Huntington, the Northern State enters exit 39, which serves Round Swamp Road.
  After exit 39, the Northern State Parkway proceeds eastward as a four-lane freeway, crossing through West Hills County Park, where it winds through dense woods east and southeast through Huntington. Passing north of a cemetery, the parkway enters exit 40, which was formerly a cloverleaf interchange with NY 110 (Walt Whitman Road). After exit 40, the Northern State proceeds northeast, passing south of Whitman Park before bending east once again near Old Country Road. The four-lane parkway becomes divided once again, crossing northeast through Huntington into exit 41, a diamond interchange with Wolf Hill Road. The parkway soon enters the Caledonia section of town, bending eastward under Dix Hills Road as it enters the Arista section of town. The parkway crosses back into Caledonia, entering a partial cloverleaf interchange with Deer Park Road (NY 231 and CR 35). This interchange serves as the northern terminus of NY 231.
  After Deer Park Road, the Northern State Parkway bends northeast once again, leaving the Caledonia area before bending southeast as a four-lane parkway. A short distance later, the route enters the Vanderbilt section of Huntington, paralleling north of CR 67 (Vanderbilt Parkway). In Vanderbilt, the parkway enters exit 43, a junction with CR 4 (Commack Road). Immediately after crossing over Commack Road, the large cloverleaf interchange that is Exits 44 and 45 comes in. Exit 44 serves the Sagtikos State Parkway and exit 45 serves the Sunken Meadow State Parkway, which share the same right-of-way. Now in the town of Smithtown, the Northern State enters the hamlet of Commack. Through Commack, the parkway becomes a divided four-lane roadway once again, entering exit 46 eastbound, which connects to New Highway via a service road.
  After exit 46, the Northern State Parkway bends northeast, crossing through Mayfair and east of Hoyt Farm Park. The parkway soon crosses under New Highway in Commack, before entering a large interchange with NY 347 and NY 454 (Veterans  Highway). This unnumbered interchange serves as the eastern terminus of the Northern State Parkway, whose northbound lanes merge into NY 347/NY 454 east.
caption: The Northern State as seen from the bridge from exit 45 in Commack
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