New York State Route 24

New York State Route 24
New York State Route 24
Hempstead Turnpike
	Map of Long Island with NY 24 highlighted in red
Route information
	Maintained by NYSDOT, NYCDOT, Nassau County, and Suffolk County
Length	30.84 mi (49.63 km)
Existed	1930–present
Western segment
Length	18.68 mi (30.06 km)
West end	I-295 / NY 25 / Grand Central Parkway in Queens
Major intersections	Cross Island Parkway in Queens Village; Meadowbrook State Parkway in Uniondale; Wantagh State Parkway in Levittown; NY 135 in Plainedge; Bethpage State Parkway in Farmingdale;
East end	NY 110 in East Farmingdale
Eastern segment
Length	12.16 mi (19.57 km)
North end	I-495 / CR 94 in Riverhead
Major intersections	CR 63 / CR 104 in Riverside; CR 105 in Riverside;
South end	NY 27 / CR 80 in Hampton Bays
Location
Country	United States
State	New York
Counties	Queens, Nassau, Suffolk
Highway system
	New York Highways; Interstate; US; State; Reference; Parkways;

New York State Route 24 (NY 24) is a 30.84-mile-long (49.63 km) east–west state highway on Long Island in the U.S. state of New York. The highway is split into two segments, with the longer and westernmost of the two extending 18.68 miles (30.06 km) from an interchange with Interstate 295 (I-295, named the Clearview Expressway) and NY 25 (Hillside Avenue) in the Queens Village section of the New York City borough of Queens to an intersection with NY 110 in East Farmingdale in the Suffolk County town of Babylon. The shorter eastern section, located in eastern Suffolk County, extends 12.16 miles (19.57 km) from an interchange with I-495 in Calverton to an intersection with County Route 80 (CR 80) in Hampton Bays.

NY 24 is one of three highways in New York that are split into two segments; the others are NY 42 in the Catskills and NY 878 in Queens and Nassau County. Like NY 42, NY 24 was a continuous route when it was assigned as part of the 1930 renumbering of state highways in New York. The highway was split into two pieces in the mid-1930s. For a brief period during the late 1950s and early 1960s, NY 24 was routed on the Long Island Expressway from Manhattan to East Hills while its original surface routing was designated New York State Route 24A.

In Nassau County, most of the route is known as Hempstead Turnpike.

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