|Maintained by NYSDOT, Suffolk County DPW, and the villages of Patchogue and Southampton|
|Length:||94.52 mi (152.12 km)|
|West end:||Nassau County line in Amityville|
| NY 110 in Amityville
NY 231 in Babylon
Robert Moses Causeway in West Islip
NY 111 in Islip
Heckscher Parkway in Great River
NY 27 in Great River
NY 112 in Patchogue
NY 24 in Hampton Bays
NY 114 in East Hampton
|East end:||Montauk Point State Park in Montauk|
Montauk Highway is an east–west road extending for 95 miles (153 km) across the southern shore of Long Island in Suffolk County, New York, in the United States. It extends from the Nassau County line in Amityville, where it connects to Merrick Road, to Montauk Point State Park at the very eastern end of Long Island in Montauk. The highway is known by several designations along its routing, primarily New York State Route 27A (NY 27A) from the county line to Oakdale and NY 27 east of Southampton. The portion of Montauk Highway between Oakdale and Southampton is mostly county-maintained as County Route 80 and County Route 85 (CR 80 and CR 85, respectively).
The highway was one of the original through highways of Long Island, initially extending from Jamaica in the New York City borough of Queens to Montauk Point. Within Queens, the road is now known as Merrick Boulevard, and for its entire run in Nassau County, the road is Merrick Road; the Montauk Highway designation picks up in Amityville. The designations assigned to the road have also changed over time: Montauk Highway was the original route of NY 27 until most of it was superseded in purpose by Sunrise Highway, and for a brief time all of Montauk Highway west of Southampton was signed as NY 27A. It is still the southernmost through route on Long Island, although it has been realigned in several locations.
Montauk Highway begins at the Nassau–Suffolk county line, where it connects to Merrick Road. It heads east along the southern shore of Long Island, carrying NY 27A from Amityville to Oakdale. The highway generally narrows to two lanes in most places, especially through communities of which it forms the main street, such as Amityville, the village of Babylon, Bay Shore, the hamlet of Islip, Oakdale, Sayville and Patchogue. In these places, Montauk Highway is often called Main Street. In addition to being called Montauk Highway and Main Street in Suffolk County, it is also historically known as South Country Road, a name that is only used by former segments today.
NY 27A ends at NY 27 exit 46A in Oakdale, giving way to CR 85 along Montauk Highway. As CR 85, Montauk Highway runs through the hamlets of Oakdale, West Sayville, Sayville, Bayport, and Blue Point to the village of Patchogue, where the designation ends at CR 19. East of CR 19, Montauk Highway (known within the village as West and East Main streets) continues as a village-maintained street to the eastern village line, where it becomes CR 80, the designation that comprises most of Montauk Highway. Proceeding east from Patchogue, Montauk Highway runs through progressively less-densely populated communities. The segment east of Station Road in North Bellport and CR 36 in Brookhaven still contains old concrete pavement, a common practice of the mid-20th century. East of Speonk, the highway enters the Hamptons, the small-town, farming and summer resort communities especially popular with New York City summer vacationers.
Montauk Highway forms the main street of most of the communities in the Hamptons, such as Westhampton, Quogue, and Hampton Bays. CR 80 ends west of the village of Southampton at Knoll Road, at which point Montauk Highway becomes state-maintained again as NY 900W, an unsigned reference route. This ends at the Southampton village line, leaving Montauk Highway as a village-maintained street until it reconnects to NY 27 northeast of the village center. Now part of NY 27, Montauk Highway is the major, and occasionally the only through road in the area, passing through Bridgehampton, East Hampton, and Amagansett to reach Montauk. The highway and NY 27 end at a loop in the road at Montauk Point.
Montauk Highway was planned as the southernmost all-weather road on Long Island. It began in Jamaica, the county seat of Queens County and an important railroad junction located in the east-central part of the county. Montauk Highway was routed in a southeasterly direction toward the Atlantic Ocean coastline of Long Island, turning in an east-northeasterly direction in current Nassau County to more or less parallel the shore through Suffolk County, ending at Montauk Point, the easternmost point of land on the South Fork of the island. As an all-weather road, Montauk Highway has rarely been breached by even serious storms; however, portions in the Hamptons were flooded out by the New England Hurricane of 1938.
The current road is no longer a single route-designated road. In Queens, it is a city street known as Merrick Boulevard. Through Nassau County, it is a two-to-four lane highway with traffic lights known as Merrick Road. This name is derived from the community of Merrick, through which the road passes. As such, the Montauk Highway name now applies to the section that lies within Suffolk County.
Montauk Highway and Merrick Road were designated as NY 27 from the New York City line to Amagansett in the mid-1920s. From East Patchogue to Brookhaven, NY 27 followed South Country Road instead, which was part of Montauk Highway at the time. The NY 27 designation was extended eastward along Montauk Highway to Montauk Point by 1930. On February 24, 1930, South Country Road was added to the Suffolk County highway system as CR 36. NY 27 and Montauk Highway were realigned to directly connect East Patchogue and Brookhaven via North Bellport.
NY 27 was realigned west of Oakdale c. 1931 to follow Sunrise Boulevard (the predecessor to Sunrise Highway), a new, parallel highway to Merrick Road and Montauk Highway between the New York City line and Massapequa and several local roads from Massapequa to Montauk Highway at Oakdale. The former routing of NY 27 on Montauk Highway from Massapequa to Oakdale became NY 27A, which connected to NY 27 in Massapequa by way of County Line Road. NY 27A was extended eastward along Montauk Highway to Patchogue in the early 1950s after NY 27 was realigned to follow a new highway between Oakdale and Patchogue. A limited-access highway extension of NY 27 to Shirley opened to traffic in the late 1950s, at which time NY 27A was extended eastward along NY 27's former routing to meet NY 27 in Shirley.
Construction on a new alignment for NY 27 between NY 24 in Hampton Bays and Montauk Highway near Water Mill began by 1961 and was completed c. 1962. The section of Montauk Highway between the two locations became part of NY 27A, even though it did not connect to any other part of the route. An extension of the Patchogue–Shirley limited-access highway to the vicinity of Eastport was completed as a realignment of NY 27 by 1964, allowing NY 27A to be extended once more along Montauk Highway. NY 27A was also extended east to Hampton Bays at this time, connecting to the segment of NY 27A between Hampton Bays and Water Mill and creating an overlap with NY 27.
Ownership and maintenance of Montauk Highway between Oakdale and the town of Southampton was gradually transferred from the state of New York to Suffolk County during the 1960s and 1970s. The portion from the Patchogue village line east to NY 24 in Hampton Bays was turned over to the county on October 6, 1966, while the segment between NY 24 and Knoll Road was given to Suffolk County on February 15, 1968. This section of Montauk Highway became CR 80, a route 32.50 miles (52.30 km) in length. The CR 80 designation was previously used for the Nesconset–Port Jefferson Highway, a road acquired by the New York State Department of Transportation (NYSDOT) and designated NY 347 in 1966.
Although most of Montauk Highway between Patchogue and the village of Southampton was now maintained by the county, NY 27A continued to follow the road eastward to NY 27 northeast of Southampton. It was finally cut back to its current eastern terminus in Oakdale on March 29, 1972, after ownership and maintenance of Montauk Highway between Oakdale and CR 19 in Patchogue was transferred from the state to the county. The new 8.24-mile (13.26 km) county road was redesignated CR 85, a number used for the Smithtown Bypass until 1966, when that road was transferred to NYSDOT and designated NY 347. A 2.85-mile (4.59 km) section of Montauk Highway between Knoll Road to the west village line of Southampton at Tuckahoe Lane was retained by the state of New York and designated NY 900W, an unsigned reference route.
Over the years, Montauk Highway has been realigned in several locations. The former segments are now known by another name or as Old Montauk Highway, notably at Theodore Roosevelt County Park east of Montauk, where new Montauk Highway heads northeast through Montauk Point State Park while Old Montauk Highway heads east as a narrow hilly road next to the shoreline. Other significant realignments include the aforementioned rerouting between East Patchogue and Brookhaven and another in the vicinity of Eastport, where CR 71 (Old Country Road) was part of Montauk Highway between the current road and Eastport–Manor Road (CR 55). From there, Montauk Highway turned south along CR 55 to reconnect to its modern routing. Another former section is located between Montauk Beach and Montauk, where the modern road was altered to bypass the former to the north. The old road breaks from the current highway inside Hither Hills State Park and heads through Montauk Beach before rejoining the highway between South Dearborn Place and Second House Road.
Many smaller sections also exist:
The entire route is in Suffolk County.
|Montauk Highway is part of NY 27A from the Nassau County line to Great River (16.09 miles or 25.89 kilometres)|
|Great River||16.09||25.89||NY 27 / NY 27A||Exit 46A (NY 27); eastern terminus of NY 27A|
|Sayville||20.13||32.40||CR 65||Western terminus of CR 65|
|Bayport||21.29||34.26||CR 18||Southern terminus of CR 18|
|Blue Point||22.66||36.47||CR 97||Southern terminus of CR 97|
|NY 112||Southern terminus of NY 112|
|East Patchogue||25.76||41.46||CR 36||Western terminus of CR 36|
|26.13||42.05||CR 101||Southern terminus of CR 101|
|Hamlet of Brookhaven||30.02||48.31||CR 36||Eastern terminus of CR 36|
|30.22||48.63||CR 21||Southern terminus of CR 21|
|South Haven||30.88||49.70||CR 16||Eastern terminus of CR 16|
|Moriches||36.24||58.32||CR 98||Western terminus of CR 98|
|East Moriches||39.82||64.08||CR 98||Eastern terminus of CR 98|
|40.09||64.52||CR 51||Southern terminus of CR 51|
|Eastport||40.98||65.95||CR 71||Western terminus of CR 71|
|41.46||66.72||CR 55||Southern terminus of CR 55|
|46.41||74.69||CR 31||Southern terminus of CR 31|
|Quogue||49.49||79.65||CR 104||Southern terminus of CR 104|
|Hampton Bays||54.22||87.26||NY 24||Southern terminus of eastern segment of NY 24|
|54.87||88.30||CR 32||Northern terminus of CR 32|
|56.05||90.20||CR 62||Southern terminus of CR 62|
|Shinnecock Hills||56.20||90.45||CR 39||Western terminus of CR 39|
|Village of Southampton||63.62||102.39||NY 27 west / CR 39A||Eastern terminus of CR 39A|
|Montauk Highway is part of NY 27 from Southampton to Montauk Point (30.90 miles or 49.73 kilometres)|
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