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County Route 99 (Suffolk County, New York)

Suffolk 80 entering Hampton Bays.jpg
Standard route marker for county routes in Suffolk County; CR 80 eastbound, entering Hampton Bays
Highway names
Interstates: Interstate X (I-X)
US Highways: U.S. Route X (US X)
State: New York State Route X (NY X)
County: County Route X (CR X)
System links

County Route 76
Location: HauppaugeNesconset
Length: 3.2 mi (5.1 km)
Existed: 1946–present

County Route 77
Location: Montauk
Length: 3.05 mi (4.91 km)
Existed: 1946–present

County Route 77A
Location: MontaukDitch Plains
Length: 0.93 mi (1.50 km)

County Route 77B
Location: Ditch PlainsMontauk

County Route 78
Location: BayportPatchogue
Length: 1.2 mi (1.9 km)
Existed: 1946–present

County Route 79
Location: BridgehamptonSag Harbor
Length: 4.6 mi (7.4 km)
Existed: 1948–present

County Route 79A
Location: Sag Harbor
Length: 0.28 mi (0.45 km)
Existed: 1952–1980s

County Route 80
Location: East PatchogueShinnecock Hills

County Route 80 Truck
Location: Moriches
EastportSpeonk

County routes in Suffolk County, New York, are maintained by the Suffolk County Department of Public Works and signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. The designations do not follow any fixed pattern. Routes 76 to 100 are listed below.

County Route 76 is Town Line Road along the IslipSmithtown township line. Until 1968, it was also part of Veterans Memorial Highway from Jericho Turnpike in Commack to Nesconset Highway in Hauppauge. The road shares a short concurrency with NY 111 in Hauppauge. An eastern extension to CR 16 was proposed at one time. The official Suffolk County Department of Public Works listing of county roads still includes this formerly proposed extension.

County Route 77 is the north-south road along the west side of Lake Montauk. It begins at an at-grade interchange of Montauk Point State Parkway as West Lake Drive where it intersects two streets that lead to the east side of Montauk Downs State Park, until it reaches CR 70. From here the road runs much closer to Lake Montauk, then intersects with other roads such as Star Island Road to the right, and then East Flamingo Road (former CR 95) to the left.


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