List of county routes in Suffolk County, New York (1–25)

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StateNew York State Route X (NY X)
County:County Route X (CR X)
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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 1 to 25 are listed below.

County Route 1

County Route 1

LocationAmityvilleNorth Amityville
Length1.52 mi[1] (2.45 km)
Existed1930[2]–present

County Route 1 is known as County Line Road and extends for 1.52 miles (2.45 km) through the town of Babylon. It begins at NY 27A (Montauk Highway) in Amityville and heads north to the intersection of Joyce Avenue in East Farmingdale. Parts of the road enter Nassau County; however, the Nassau County sections are not part of CR 1.

Major intersections
Locationmi[1]kmDestinationsNotes
Amityville0.000.00 NY 27A (Montauk Highway) – East Massapequa
0.510.82
CR 12 east / Old Sunrise Highway west (NY 900D) – Lindenhurst
Eastern terminus of NY 900D, western terminus of CR 12
1.031.66 NY 27 (Sunrise Highway)At-grade intersection
North Amityville1.522.45Joyce Avenue west / Matthew Drive east / County Line Road north to Southern State ParkwaySuffolk County maintenance ends 245 feet north of Joyce Avenue. County Line Road continues north to Southern State Parkway Exit 32S
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 2

County Route 2

LocationAmityvilleDix Hills
Length8.53 mi[3] (13.73 km)
Existed1930[2]–present

County Route 2 is mostly known as Straight Path and extends from the village of Amityville to the town of Huntington. It begins at an intersection with NY 110 in Amityville and heads east along Dixon Avenue to CR 47 in Copiague. From there it begins to move to the northeast until it eventually becomes Straight Path before the intersection with NY 27 in North Lindenhurst. The road widens into a four-lane divided highway ahead of its junction with CR 3 (Wellwood Avenue). This intersection contains turning ramps on all corners except the southwest corner, where Heathcote Road ends. The divider ends at Sherbrooke Road and the North Lindenhurst Fire Department, where the road returns to a four-lane undivided highway.

The road intersects an at-grade crossing with the Central Branch of the Long Island Rail Road. From there the road crosses NY 109 and meets the Southern State Parkway. As CR 2 approaches the interchange with the parkway, the road becomes narrower despite remaining four lanes wide. On the northwest corner of this interchange is the beginning of St. Johns Catholic Cemetery, where the road widens to accommodate a center left-turn lane. The northern border of the cemetery is along Edison Avenue, located near the intersection with Little East Neck Road in Wyandanch.

CR 2 narrows to two lanes with stretches occasionally featuring medians. North of Commonwealth Drive, the road become four lanes with no left-turn lane until it approaches the vicinity of Wyandanch Station. Past Winter Avenue, CR 2 narrows back down to two lanes, but with a center left-turn lane. The road continues in this manner until it reaches its terminus at an intersection with NY 231 in Half Hollow Hills.

CR 2 was assigned on January 27, 1930, to the portion of its alignment between Albany Avenue in Amityville and modern NY 231 in Huntington. It was extended west along Dixon Avenue to NY 110 on February 5, 1943, replacing CR 2A. An extension beyond NY 231 was proposed during the 1960s and 1970s and officially added to CR 2's alignment on June 22, 1961. The terminus was to be at the Long Island Motor Parkway;[2] however, this extension was never built. The intersection between CR 2 and NY 27 was once intended to be upgraded into an interchange.

Major intersections
Locationmi[3]kmDestinationsNotes
Amityville0.000.00 NY 110 (Broadway) – East Farmingdale
Copiague0.911.46CR 47 (Great Neck Road) – North Amityville
Lindenhurst1.712.75 NY 27 (Sunrise Highway)At-grade intersection
North Lindenhurst2.494.01 CR 3 (North Wellwood Avenue) – Melville, Lindenhurst
3.235.20 NY 109 – Farmingdale, Babylon
West Babylon4.166.69 Southern State Parkway – New York, East IslipExit 36 on Southern Parkway. Cloverleaf interchange. No trucks or commercial vehicles allowed on Parkway.
Wyandanch4.867.82Little East Neck Road  – Melville, BabylonFormer Suffolk County Route 95
6.189.95Long Island Avenue Access to Wyandanch station and Long Island National Cemetery
Dix Hills8.5313.73 NY 231 (Deer Park Avenue) to I-495 and Northern State ParkwayAccess to I-495 and Northern State Parkway via NY-231 northbound.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 2A

County Route 2A

LocationAmityvilleNorth Lindenhurst

County Route 2A was a former suffixed extension of CR 2 assigned to Dixon Avenue between NY 110 and NY 27 from the 1930s to February 5, 1943[2][4]

County Route 3

County Route 3

LocationLindenhurstMelville
Length6.84 mi[5] (11.01 km)

County Route 3 is a north–south road that includes Wellwood Avenue and Pinelawn Road. It runs mostly parallel to NY 110 until it crosses over the Long Island Expressway, where it moves to the northwest to use NY 110 before its northern terminus with Walt Whitman Road.

Route description

County Route 3 begins as Wellwood Avenue on the Lindenhurst village line at Perry Street in North Lindenhurst, which quickly encounters a cloverleaf interchange with NY 27, where the road briefly becomes a four-lane divided highway until the intersection of Spieglehagen Street and becomes a four-lane undivided highway. The road divides again at CR 2 (Straight Path), and includes a northwest to northeast turning ramp. The divider ends at June Street, and the road returns to a four-lane undivided highway.

As the road intersects an at-grade crossing with the LIRR Central Branch and becomes a divided highway again north of Gear Avenue as it approaches NY 109. North of NY 109, CR 3 runs through the center of the Cemetery zone of southwestern Suffolk County along the following burial grounds;

Before leaving the cemetery zone, CR 3 becomes a divided highway again and passes by the headquarters of Newsday, which also includes the former right-of-way for the Long Island Motor Parkway. Both of these sites are on the southwest corner of CR 3 and CR 5 (Ruland Road). North of unsigned CR 5 (Ruland Road), CR 3 becomes Pinelawn Road, and runs parallel to Old East Neck Road until hitting Half Hollow Road, which leads to the only remaining drivable section of Long Island Motor Parkway (CR 67. From there, CR 3 takes a northwesterly turn and crosses over the Long Island Expressway east of exit 49, where it becomes a four-lane highway again approaching NY 110. CR 3 and Pinelawn Road end just north of NY 110 at Walt Whitman Road. The road continues northward as Sweet Hollow Road as it meanders through the Manetto Hills area past Gwynne Park and West Hills County Park before reaching NY 25, but not as CR 3.

Major intersections
Locationmi[5]kmDestinationsNotes
Lindenhurst0.000.00Wellwood Avenue south to / Perry Street eastLindenhurst village line. Wellwood Avenue continues south towards Lindenhurst station and Montauk Highway
North Lindenhurst0.140.23 NY 27 – New York, MontaukCloverleaf interchange
0.610.98 CR 2 (Straight Path) – Amityville, Wyandanch
1.432.30 NY 109 – Farmingdale, Babylon
West Babylon1.852.98 Southern State Parkway – New York, East IslipExit 35 on Southern Parkway. No trucks or commercial vehicles allowed on Parkway.
East Farmingdale3.535.68Conklin Street west / Long Island Avenue east  – Farmingdale, WyandanchServes Pinelawn station
Melville5.058.13Ruland Road / Colonial Springs Road (CR 5)
5.879.45Half Hollow Road eastFormer routing of the Long Island Motor Parkway
6.149.88 I-495 (Long Island Expressway) – New York, RiverheadAccess to I-495 via service roads. Park & Ride located on North Service Road (towards I-495 west).
6.7510.86 NY 110 (Broad Hollow Road) to Northern State Parkway  – Huntington, AmityvilleAccess to Northern State Parkway via NY-110 north.
6.8411.01Walt Whitman Road / Sweet Hollow Road northFormer routing of NY 110
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 4

County Route 4

LocationNorth BabylonCommack
Length9.30 mi[6] (14.97 km)
Existed1930–present

County Route 4 consists mainly of Commack Road. The road starts at a northeast angle off of NY 231, and immediately has an intersection with Carll's Straight Path to the northwest. The road continues to the northeast as it crosses the Main Line of the Long Island Rail Road. A realigned section exists on the western border of the former Edgewood State Hospital and current Pilgrim State Hospital. The segment in front of Edgewood Hospital was intended to either be replaced by or run parallel to the formerly proposed Babylon–Northport Expressway.

Between the Long Island Expressway and Jericho Turnpike, Commack Road is a four-lane undivided highway with sporadic residential frontage roads. Similar features were installed on parts of Larkfield Road and CR 11 (Pulaski Road).

North of NY 25, CR 4 becomes Townline Road. Though the first two sites consist of churches listed on the National Register of Historic Places, the rest of the area is standard residential suburbia. North of Dovecote Lane, Townline Road runs mostly along the border between the towns of Huntington and Smithtown. New York State Bicycle Route 25A is shared with CR 4 between Burr Road and Scholar Road.

The designation for CR 4 ends at the intersection at Clay Pitts Road in Commack, but the roadway continues northward towards NY 25A in Fort Salonga.

Major intersections
Locationmi[6]kmDestinationsNotes
North Babylon0.000.00 NY 231 (Deer Park Avenue) to Southern State Parkway and NY 27 (Sunrise Highway)Access to Southern State Parkway and NY-27 via NY-231 southbound.
Deer Park0.440.71CR 57 (Bay Shore Road) – Bay Shore
1.752.82Long Island Avenue to Access to Deer Park station via Long Island Avenue east.
Dix Hills4.066.53Fish Path eastEntrance to Pilgrim Psychiatric Center
Commack4.737.61 I-495 (Long Island Expressway) – New York, RiverheadExit 52 on I-495. Park & Ride located at southeast corner of intersection with South Service Road.
5.518.87
CR 13 south (Crooked Hill Road) – Brentwood
Northern terminus of CR 13
5.619.03 CR 67 (Vanderbilt Motor Parkway) to
Northern State Parkway east  – Dix Hills, Hauppauge
Access to Northern State Parkway east via CR 67 west. No trucks or commercial vehicles allowed on Northern State Parkway.
5.729.21
Northern State Parkway west – New York
Exit 43 on Northern Parkway. No trucks or commercial vehicles allowed on Northern State Parkway.
7.4311.96 NY 25 (Jericho Turnpike) to
NY 454 east (Veterans Memorial Highway) and Sunken Meadow State Parkway
Access to NY 454 and Sunken Meadow State Parkway via NY-25 east; road name transitions from Commack Road to Townline Road
9.3014.97Clay Pitts Road / Townline Road north  – Fort SalongaTownline Road continues north without designation.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 5

County Route 5

LocationMelvilleWheatley Heights
Length1.82 mi[7] (2.93 km)

County Route 5 is a short, unsigned industrial county route known as Ruland Road and Colonial Springs Road. It runs parallel to a former section of the original Long Island Motor Parkway, beginning at an intersection with New York State Route 110 and heading east. The road passes the headquarters of Newsday and the northern end of Long Island National Cemetery, before terminating just east of the intersection with Little East Neck Road North at the Huntington/Babylon town line in Wheatley Heights.[7]

Major intersections
Locationmi[7]kmDestinationsNotes
Melville0.000.00 NY 110 (Broad Hollow Road) – Amityville, Huntington
0.430.69 CR 28 south (Republic Road) – Republic AirportNorthern terminus of CR 28. To Republic Airport.
1.101.77 CR 3 (Pinelawn Road) – LindenhurstAccess to Long Island National Cemetery
Wheatley Heights1.822.93Colonial Springs Road eastCounty designation terminates at the HuntingtonBabylon town line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 6

County Route 6

LocationHauppauge
Length0.86 mi[8] (1,380 m)

County Route 6 is Rabro Drive and serves the Hauppauge Industrial Park and the state and county government office buildings. The road begins at an intersection with County Route 108 and proceeds east to New York State Route 111, all within the hamlet of Hauppauge.[8]

Major intersections

The entire route is in Hauppauge.

mi[8]kmDestinationsNotes
0.000.00Old Willets Path (CR 108) to CR 67 (Long Island Motor Parkway), I-495, and NY 454
0.610.98Simeon Woods Road (NY 901A)Access to Suffolk County and New York State offices
0.861.38 NY 111 (Wheeler Road) to I-495  – Smithtown, Central Islip
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 7

County Route 7

LocationBrentwood
Length1.77 mi[9] (2.85 km)

County Route 7, better known as Wicks Road, runs south to north from CR 13 to the Long Island Motor Parkway (at the former Long Island Expressway exit 54). The road is entirely in Brentwood.

The road was named for Francis Moses Asbury Wicks (1818-1867), a wealthy landowner and politician who owned the land in the vicinity of the former Thompson's (LIRR station), and later Pine Aire (LIRR station). His home, a large and rambling farmhouse, served as the railroad depot, inn, and general store.

Originally, Wicks Road ran further north than CR 67 onto part of what is today Moreland Road, across the Northern State Parkway to the west side of Hoyt's Farm Town Park, and as far north as NY 25.

Major intersections

The entire route is in Brentwood.

mi[9]kmDestinationsNotes
0.000.00Crooked Hill Road (CR 13) – Bay Shore
1.081.74Community College Drive (CR 106 west)Eastern terminus of CR 106; Access to Suffolk County Community College's Grant Campus and Brentwood State Park
1.632.62

To I-495 east – Riverhead
Interchange with eastbound service road; Park & Ride
1.772.85 CR 67 (Motor Parkway) to
I-495 west – New York
Exit 53 on I-495
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 8

County Route 8

LocationYaphankMiddle Island

County Route 8 was reserved for the never-built Yaphank Bypass. It was intended to be a new four-lane road beginning at the vicinity of exit 66 of the Long Island Expressway, running west of the Carman's River and terminating at CR 21 near Bayliss (Bailey) Road.

County Route 9

County Route 9

LocationHuntingtonElwood
Length4.65 mi[10] (7.48 km)
Existed1936–present

County Route 9, known as Greenlawn Road and Cuba Hill Road, is an unsigned county road that runs through the town of Huntington. The road runs northwest to southeast, beginning as Greenlawn Road and crossing over the Long Island Rail Road as Cuba Hill Road. Its northern terminus is East Main Street (NY 25A) in Huntington, and it ends across from Burr Road at the intersection of Elwood Road (CR 10) in Elwood.[10]

CR 9 serves BAE Systems Long Island, located at the corner of Cuba Hill Road and Pulaski Road (CR 11) in Greenlawn, and James H. Boyd Intermediate School. The section of CR 9 between Little Plains Road and the intersection with Elwood Road (CR 10) is part of New York State Bicycle Route 25A.[10]

History

The Greenlawn Road portion of CR 9 was formerly CR 34 and was reassigned in 1930. The expansion of CR 9 led from the Long Island Rail Road tracks to CR 10, Elwood Road. This expansion, today, is known as Cuba Hill Road, and was added on December 26, 1936. CR 34 was appended onto CR 9 sometime after the 1960s. The road is currently unsigned; however, there were once signs that marked CR 9.

Major intersections
Locationmi[10]kmDestinationsNotes
Community of Huntington0.000.00 NY 25A (East Main Street)To Downtown Huntington via NY-25A west.
Greenlawn2.383.83 CR 11 (Pulaski Road) – Huntington Station, East Northport
2.624.22 Broadway (CR 86)Access to Greenlawn station
Elwood4.657.48Elwood Road (CR 10) / Burr Road east – Northport, CommackTo NY 25 via CR-10 south.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 10

County Route 10

LocationElwoodNorthport
Length3.95 mi[11] (6.36 km)
Existed1955–present

County Route 10, commonly referred to as Elwood Road, is a two-lane suburban county road. It runs from NY 25 in Elwood to NY 25A in Northport.

From the 1950s into the 1980s, there were proposals by the New York State Department of Transportation to build the Babylon–Northport Expressway within the vicinity of the west side of Elwood Road, with interchanges at both ends that included ramps utilizing CR 10. Suburban sprawl and public opposition to the roadway has resulted in the cancellation of the highway.

Major intersections
Locationmi[11]kmDestinationsNotes
Elwood0.000.00 NY 25 (Jericho Turnpike) – South Huntington, Commack
0.560.90Cuba Hill Road west (CR 9) / Burr Road east  – GreenlawnEastern terminus of CR 9
East Northport2.654.26 CR 11 (Pulaski Road) – Greenlawn, Kings Park
Northport3.956.36 NY 25A (Fort Salonga Road) / Reservoir Avenue north – Huntington, Fort SalongaReservoir Avenue continues north to Downtown Northport and Asharoken
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 11

County Route 11

LocationCold Spring HarborKings Park
Length11.21 mi[12] (18.04 km)
ExistedJanuary 27, 1930[2]–present

County Route 11, commonly referred to as Pulaski Road, runs west to east between Cold Spring Harbor and Kings Park. CR 11 provides the closest access to the Port Jefferson Branch of the Long Island Rail Road, which runs roughly parallel to the tracks throughout its span in northwestern Suffolk County.

County Route 11A

County Route 11A

LocationGreenlawnEast Northport

County Route 11A was a former suffixed extension of CR 11 assigned to Pulaski Road between CR 86 and CR 10 from January 26, 1931 to September 21, 1966[2][4]

County Route 11B

County Route 11B

LocationHuntington StationGreenlawn

County Route 11B was a former suffixed extension of CR 11 assigned to Pulaski Road between NY 110 and CR 86 from December 28, 1931 to September 21, 1966[2][4]

County Route 11C

County Route 11C

LocationCold Spring HarborHuntington Station

County Route 11C was a former suffixed extension of CR 11 assigned to Pulaski Road between NY 108 and NY 110 from November 27, 1933 to September 21, 1966[2][4]

County Route 12

County Route 12

LocationAmityvilleWest Babylon
Length4.45 mi[13] (7.16 km)
Existed1959–present

County Route 12 runs west to east along Oak Street, Hoffman Avenue and Railroad Avenue, parallel to the Babylon Branch of the Long Island Rail Road. It begins at an intersection of CR 1 and Old Sunrise Highway (unsigned NY 900D) and ends at CR 96 at the village of Babylon line in West Babylon.

History

CR 12 was originally a suffixed extension of CR 50 until 1959.

Route description

At the intersection of CR 47, the elevated Copiague Station over the street is visible to the north. The station can also be seen from the next block at the intersection of an unnamed street leading to Railroad Avenue. The Babylon Branch finally runs along the north side of Oak Street between Garfield and Strong Avenues, where it crosses the CopiagueLindenhurst village line.

In Lindenhurst, the name of CR 12 is changed to Hoffman Avenue. However, this name is also shared by a street running parallel to it on the north side of the Babylon Branch maintained by the village. East of the intersection with CR 3, the road passes in front of Lindenhurst Station, while the village of Lindenhurst's Hoffman Avenue runs behind it.

In West Babylon, CR 12's name is changed to South Railroad Avenue, a name it will hold onto upon crossing the border with the village of Babylon. At the border, which is at the intersection of CR 96, is the eastern terminus of CR 12. The roadway east of the terminus reaches NY 109, where it becomes Trolley Line Road, named for the former Babylon Railroad Company, which used the street as part of the route for its streetcar.

Major intersections
Locationmi[13]kmDestinationsNotes
Amityville0.000.00 CR 1 (County Line Road) / Old Sunrise Highway west (NY 900D)Old Sunrise Highway continues west to NY 27A.
0.390.63 NY 110 (Broadway) – Huntington, East Farmingdale
Copiague1.352.17 CR 47 (Great Neck Road) – Farmingdale, North AmityvilleTo Copiague Station via CR-47 north.
Lindenhurst2.804.51Wellwood Avenue to CR 3 – Melville, North LindenhurstAccess to CR-3 via Wellwood Avenue north.
West Babylon4.457.16CR 96 (Great East Neck Road) / Trolley Line Road east – Bergen Point County ParkAccess to Bergen Point County Park via CR-96 south; Access to Babylon via Trolley Line Road east.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 13

County Route 13

LocationBay ShoreCommack
Length7.50 mi[14] (12.07 km)
Existed1930[2]–present

County Route 13 is a 7.50-mile (12.07 km) county road that runs north to south from CR 4 near Commack to NY 27A in Bay Shore which includes Fifth Avenue and Crooked Hill Road.. The road runs primarily east of Robert Moses Causeway and Sagtikos State Parkway, until it crosses over the Sagtikos Parkway in the vicinity of Pilgrim State Hospital. The route was added to the county highway system on April 28, 1930, and extensions were made on July 9, 1945.[2]

Route description

CR 13 begins at NY 27A in Bay Shore. It heads northwest as the northbound one-way Fifth Avenue, part of a one-way couplet that includes the southbound-only North Clinton Avenue (CR 13A) one block to the west. They converge south of CR 57 (Howell's Road) itself located just south of NY 27. CR 13 moves over the main road and service roads of Sunrise Highway (NY 27), connecting to the highway by way of exit 43, a cloverleaf interchange. Continuing on, Fifth Avenue meets Brook Avenue, which leads to a shopping mall along Sunrise Highway before looping back to meet Third Avenue in Bay Shore.

Past Brook Avenue, the route takes on a more northerly routing as it heads into North Bay Shore and connects to the Heckscher State Parkway at exit 42. Farther north, CR 13 passes by the Entenmann's bakery factory prior to crossing the Main Line of the Long Island Rail Road and intersecting CR 100 (Suffolk Avenue) in Brentwood. The route's run as Fifth Avenue ends just north of CR 100 at a junction with CR 7 (Wicks Road), which continues north from the intersection on the routing established by Fifth Avenue. CR 13, meanwhile, forks to the northwest as Crooked Hill Road.[14]

Not far from CR 7, the route serves both the Pilgrim State Psychiatric Center and Suffolk County Community College's Grant Campus and connects to the Sagtikos State Parkway at exit S2. Crooked Hill Road was originally southbound exit S1 on the Sagtikos Parkway. A traffic circle also existed at the southbound ramps to and from the parkway.[15] When the nearby Long Island Expressway was constructed, the southbound off-ramp was eliminated, but the on-ramp was left intact. The reconstruction of the Long Island Expressway–Sagtikos Parkway interchange from 1988–1991 revived a southbound connection from the parkway to Crooked Hill Road via exit S1W. Today, and as always, Crooked Hill Road is also accessible from exit S2, which connect to roads within the grounds of the Pilgrim State Psychiatric Center, including unsigned CR 106 (Community College Drive).[14]

The route continues on, descending Crooked Hill to reach the Long Island Expressway and its service roads. It crosses under the highway between exits 52 and 53, but has no ramps to or from the main road. Instead, the only access is to the service roads that lead to the expressway westbound and from the expressway eastbound. North of the expressway, CR 13 begins to head in a more north–northeasterly direction that takes it on a largely parallel routing to that of nearby CR 4 (Commack Road). CR 13 ends when the two roads finally converge just south of the Long Island Motor Parkway (CR 67) in Commack.

Major intersections
Locationmi[14]kmDestinationsNotes
Bay Shore0.000.00 NY 27A (Montauk Highway)CR-13 begins one-way northbound.
0.310.50 CR 50 (Union Boulevard) – Brightwaters, IslipAccess to Bay Shore Station via CR-50 east; CR-13 is one-way northbound.
0.661.06
CR 13A south (Clinton Avenue)
Northern terminus of CR 13A; CR 13 becomes two-way.
0.921.48 CR 57 (Howells Road) – Deer Park
1.111.79 NY 27 (Sunrise Highway) – New York, MontaukCloverleaf interchange; exit 43 on NY 27
North Bay Shore2.243.60 Southern State Parkway – New York, East IslipExit 42 on Southern State Parkway; some movements via Spur Drive service roads; No trucks or commercial vehicles allowed on Southern Parkway.
Brentwood4.266.86 Suffolk Avenue (CR 100 east) – Central IslipAccess to Brentwood Station via CR-100 east.
4.467.18
CR 7 north (Wicks Road)
No southbound access to CR 7 north; southern terminus of CR 7.
5.649.08
College Road (CR 106 east) / G Road west to
Sagtikos State Parkway south – Pilgrim Psychiatric Center
Western terminus of CR 106; Access to Suffolk County Community College via CR-106 east.
5.989.62
Sagtikos State Parkway north – Kings Park to I-495
Exit S2 on Sagtikos Parkway; No trucks or commercial vehicles allowed on Sagtikos Parkway.
Commack6.7010.78North Service Road west to I-495 (Long Island Expressway)Access to I-495 via both service roads.
7.5012.07 CR 4 (Commack Road) to CR 67 (Vanderbilt Parkway) and Northern State Parkway – Fort Salonga, Deer ParkAccess to CR-67 & Northern Parkway via CR-4 north.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 13A

County Route 13A

LocationBay Shore
Length0.65 mi[16] (1,050 m)
Existed1967[2]–present

County Route 13A is the southbound only segment of CR 13 in downtown Bay Shore. At the intersection of Reil Place all southbound traffic along CR  13 shifts to a parallel street called Clinton Avenue. This segment was designated CR 53[17] until May 22, 1967.[2] North of this switch, Clinton Avenue runs parallel to Fifth Avenue as a two-way street, until the intersection with Joseph Avenue, only to be cut off by the interchange with Sunrise Highway. Both CR 13 and CR 13A cross the LIRR Montauk Branch and intersect with CR 50 (Union Boulevard) before terminating at NY 27A.[16]

Major intersections

The entire route is in Bay Shore, and the junction list below runs from north to south.

mi[16]kmDestinationsNotes
0.000.00 CR 13 (Fifth Avenue)Southbound traffic transitions from CR 13 south to CR 13A south
0.350.56 CR 50 (Union Boulevard) – Brightwaters, IslipAccess to Bay Shore Station via CR-50 east.
0.651.05 NY 27A (Main Street) / S. Clinton Avenue southbound – Fire Island FerriesAccess to Fire Island Ferries via NY-27A east; S. Clinton Avenue continues south without designation.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 14

County Route 14

LocationCommackKings Park
Length3.22 mi[18] (5.18 km)
Existed1930[2]–present

County Route 14 is a county highway running south to north from NY 25 (Jericho Turnpike) in Commack to NY 25A in Kings Park. It runs parallel to the east of Sunken Meadow State Parkway. CR 14 ends at NY 25A near Kings Park Station, just two blocks east of CR 11. North of NY 25A, the road turns into Church Street, then Kohr Road, and runs along the east side of Sunken Meadow State Park until ending at Sunken Meadow Road. CR 14 was first added to the county highway system on January 27, 1930. A portion of former CR 2 (Straight Path) was added to CR 14 on June 22, 1961.[2]

In 1978, New York State Department of Transportation built an interchange to-and-from the northbound lane of the Sunken Meadow State Parkway, in order to prevent accidents from motorists trying to cross NY 25 in order to get to CR 14 at exit SM3 E. This interchange was designated exit SM3A. West-to-northbound motorists from NY 25 use the on-ramp from this newer interchange to get to the parkway.[19]

Major intersections
Locationmi[18]kmDestinationsNotes
Commack0.000.00 NY 25 (Jericho Turnpike) to
Sunken Meadow State Parkway south / Harned Road south to NY 454 & CR 67 (Vanderbilt Parkway) - Smithtown
Harned Road continues south without a designation; Access to Sunken Meadow Parkway via NY-25 west.
0.220.35
Sunken Meadow State Parkway north – Sunken Meadow State Park
Exit SM3A on Sunken Meadow Parkway; No trucks or commercial vehicles allowed on parkway.
2.083.35Old Northport Road  – Fort Salonga, Smithtown
Kings Park3.225.18 NY 25A (East Main Street) / Church Street north – Northport, Fort Salonga, SmithtownChurch Street continues north without a designation.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 15

County Route 15

LocationSmithtown
Length1.35 mi[2] (2.17 km)
Existed1930[2]–present

County Route 15, Maple Avenue, was an unsigned, 1.35-mile (2.17 km) county highway in Smithtown. The route began at an intersection with NY 111 to NY 25 and NY 25A (Main Street). CR 15 was added to the county highway system on January 27, 1930[2] and is no longer recognized by the Suffolk County Department of Public Works nor the New York State Department of Transportation.[19]

Major intersections

The entire route was in the Community of Smithtown.

mi[2]kmDestinationsNotes
0.000.00 NY 111 – Hauppauge, Central Islip
1.352.17 NY 25 / NY 25A (Main Street) – Commack, Village of the Branch, Centereach
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 16

County Route 16

LocationVillage of the BranchBrookhaven
Length15.90 mi[2] (25.59 km)
Existed1930[2]–present

County Route 16 is a 15.90 miles (25.59 km) county-maintained highway stretching from NY 25 in Village of the Branch eastward to Montauk Highway (CR 80) in Brookhaven consisting of part of five roads: Terry Road, Smithtown Boulevard, Lake Shore Drive (formerly East Lake Terrace), Portion Road, and Horse Block Road. CR 16 has been in the Suffolk County highway system since January 27, 1930.[2]

Though CR 16 has run consistently from the Town of Smithtown to the Town of Brookhaven since the mid-1960s, this was not always the case. Many segments have been part of other county roads. Lake Shore Drive and Portion Road used to be part of CR 19 from the Smithtown–Brookhaven town line to Waverly Avenue in Farmingville. In 1960, this terminus was moved to Patchogue–Holbrook Road. The construction of Sunrise Highway in 1957 lead to the realignment of Horseblock Road west of its original eastern terminus with South Country Road (former Montauk Highway) in South Haven. Because the interchange is shared with CR 21, the new alignment was originally designated as CR 21A. Horse Block Road used to be a western extension of CR 56 between Victory Avenue, a frontage road along Sunrise Highway that begins at CR 46, in Brookhaven and Waverly Avenue in Farmingville. In 1964, it was moved only to Victory Avenue.

County Route 17

County Route 17

LocationEast IslipHauppauge
Length5.53 mi[20] (8.90 km)
Existed1966–present

County Route 17 is a 5.53-mile (8.90 km) county road located in western Suffolk County. The route runs south-to-north from NY 27A in East Islip to NY 111 in Hauppauge, just south of exit 56 on I-495 (the Long Island Expressway). Originally, CR 17 was an alignment of NY 111 (designated as State Highway 1208 internally). On September 13, 1966, the alignment was transferred from the state to Suffolk County and redesignated CR 17.[2] The exit with the Heckscher State Parkway was added in the early 1990s.

Route description

The NY 111 designation was moved from Carleton Avenue to Islip Avenue, which runs parallel to Carleton Avenue between NY 27A and I-495, on September 13, 1966, in order to facilitate access to the Heckscher State Parkway. Evidence of County Road 17's former status as a State Highway can be found at the railroad bridge in Islip, which carries the Montauk Line of the Long Island Rail Road.[21] Between then and the mid-to-late 1980s, CR 17 passed over the Heckscher State Parkway with no access, other than to nearby frontage roads that were used for residents. Exit 43A, linking CR 17 to the parkway, was built in the 1980s. Carleton Avenue also runs through the grounds of the former Central Islip Psychiatric Center. Nursing quarters were located on a frontage road along the west side of the street. The hospital was closed in 1990, and converted into a campus for the New York Institute of Technology. The road was widened to four lanes in the 1990s from Heckscher Parkway to the northern terminus of the former hospital grounds. North of the NYIT Campus, Carleton Avenue squeezes through downtown Central Islip. The former Central Islip railroad station was on the corner of the Main Line of the Long Island Rail Road just south of County Road 100 (Suffolk Avenue). A modernized station was built down the tracks on the corner of CR 100 and Lowell Avenue.

North of Suffolk Avenue, CR 17 moves northwest onto Wheeler's Road. This section kept its given name while NY 111 was renamed "Wheeler Road" in order to distinguish the state route from CR 17. From there, CR 17 crosses County Road 67 (the Long Island Motor Parkway) and encounters Bridge Road, a side road that mainly runs parallel to Motor Parkway for much of its run south of the Long Island Expressway. The northern terminus is at a fork in the road with NY 111 roughly 250 yards south of I-495. The NY 111/CR 17 intersection has quite a history. It was originally an at-grade interchange with an overhead expressway signpost holding two signs mounted on the corner that could be seen from the Long Island Expressway. The NY 111 shield was moved from one sign to the next in 1966, but the outline of the former NY 111 shield could still be seen on the original sign. Eventually, as the road was downgraded and the area developed, this sign came down. A Texaco gas station was built at the fork in the road in the mid-1970s. It was shortly converted into a Park and Ride for traffic from the Long Island Expressway.

Major intersections
Locationmi[22]kmDestinationsNotes
East Islip0.000.00 NY 27A (Main Street) / Woodland Drive southWoodland Drive continues south without designation.
0.250.40 CR 50 (Union Boulevard)
0.801.29 NY 27 (Sunrise Highway) – New York, MontaukAccess via local roads; exit 46 on NY 27
Islip Terrace1.692.72Spur Drive South to
Southern State Parkway east – Heckscher State Park
Exit 43A on Southern State Parkway; Access to Southern Pkwy. east via Spur Dr. S. west; No trucks or commercial vehicles allowed on parkway.
1.883.03Spur Drive North to
Southern State Parkway west – New York and D'Amato Federal Courthouse
Exit 43A on Southern State Parkway; Access to Federal Courts via Spur Dr. N. east; No trucks or commercial vehicles allowed on parkway.
Central Islip2.293.69DPW Drive west / Court House Drive eastAccess to Bethpage Ballpark, Cohalan Court Complex, & Touro Law Center via Court House Drive east.
4.156.68 CR 100 (Suffolk Avenue) – Brentwood, IslandiaAccess to Central Islip Station via CR 100 east.
5.178.32 CR 67 (Long Island Motor Parkway)
Hauppauge5.53[20]8.90
NY 111 north – Smithtown to I-495 – New York, Riverhead
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 18

County Route 18

LocationSayvilleHolbrook
Length3.90 mi[2][23] (6.28 km)
Existed1930[2]–present

County Route 18 was a 3.90-mile (6.28 km) county highway along Broadway Avenue from east of Sayville to Holbrook. It was an unsigned two-lane arterial spanning from Montauk Highway (CR 85) to CR 19 (Patchogue–Holbrook Road). A former segment of Broadway Avenue called "Old Broadway Avenue" runs east of the segment between Montauk Highway and somewhere south of Sunrise Highway along the border of Sans Soucci Lakes County Park and near a former Girl Scouts of the USA camp. The route was added to the Suffolk County highway system on January 27, 1930.[2]

Major intersections
Locationmi[23]kmDestinationsNotes
Sayville0.000.00 CR 85 (Montauk Highway) – Sayville, Bayport
1.402.25 NY 27 (Sunrise Highway) – New York, MontaukAccess to NY-27 via service roads.
Holbrook1.802.90 NY 454 (Veterans Memorial Highway) – MacArthur AirportAccess to MacArthur Airport via NY-454 west
3.806.12Main Street north (former CR 19A) - Downtown HolbrookSouthern terminus of former CR 19A.
3.906.28 CR 19 (Patchogue–Holbrook Road) to I-495 – Lake Ronkonkoma, PatchogueAccess to I-495 via CR-19 north.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 19

County Route 19

LocationPatchogueLake Ronkonkoma
Length6.76 mi[24] (10.88 km)
Existed1930[2]–present

County Route 19 is a 6.76-mile (10.88 km) south–north arterial through central Suffolk County. The highway begins at an intersection with CR 65 in Patchogue. It connects several bedroom communities with major highways such as I-495 (the Long Island Expressway) and NY 27. CR 19 terminates at an intersection with CR 16 in Lake Ronkonkoma. The route was added to the Suffolk County highway system on January 27, 1930, and was amended on January 29, 1965.[2]

Route description

The highway's southern terminus is at CR 65 (Division Street). It serves as a widened, upgraded version of local West Street, which continues south of Division Street toward the Great South Bay. The starting point of the highway is immediately to the west of the Long Island Rail Road's Patchogue station. The road heads north and crosses Montauk Highway just west of downtown Patchogue. The road then curves west as it forms the southern bank of Great Patchogue Lake. Curving north again after passing the lake, the road assumes the name of Waverly Avenue, a pre-existing road that extends south of CR 19 toward Montauk Highway. Still with four lanes, the road passes near Saint Joseph's College's Patchogue branch campus before crossing NY 27 (Sunrise Highway). The diamond interchange here was built between 1988 and 1991 when NY 27 was converted from an urban boulevard to a limited-access freeway, although it was originally planned as a cloverleaf interchange.[25][26]

Leaving the Patchogue area, the road curves slightly left, as Waverly Avenue (unsigned CR 61) leaves CR 19 and continues its north–south route. Just to the north, CR 19 (now Patchogue–Holbrook Road) intersects two more partial-limited access highways. CR 99 (Woodside Avenue), which leads to the IRS center at Holtsville, has its terminus at CR 19 with a traffic signal. Less than a quarter mile to the north, CR 97 (Nicolls Road) passes overhead and has a diamond interchange with CR 19. Now entering Holbrook, the road divides various large bedroom communities. As it nears downtown Holbrook, the road moves onto a new alignment that was built between 1971 and 1973 to bypass the hamlet. After this bypass was built, the old section was renamed Main Street, eliminated between the new section and former CR 18 (Broadway Avenue) and designated CR 19A (now a former route). The new alignment carries four lanes up and over the Long Island Rail Road's Main Line, and was intended to have an interchange with Union Avenue and Main Street. Reassuming its former alignment, CR 19 then crosses the Long Island Expressway (I-495) with another diamond interchange. This interchange was the eastern terminus of the Long Island Expressway until 1971.

After the Long Island Expressway interchange, the highway narrows to just two lanes with center turn lane. The road again takes an S-curve to the west before heading north again. Halfway within this S-curve, CR 19 was originally intended to terminate at the never built "MacArthur Airport Expressway."[27] The character of this northernmost portion of the road is quite different from the rest, as the road has a much lower speed limit and even passes through a school zone roughly a mile before the terminus at CR 16.


Major intersections
Locationmi[28]kmDestinationsNotes
Patchogue0.000.00
CR 65 west (Division Street) / West Avenue south
West Avenue continues south without designation; eastern terminus of CR-65; Access to Patchogue Station via Division Street east.
0.350.56Main Street to
CR 85 west – Sayville, Shirley
CR-85 begins 0.07 miles (0.11 km) west of this intersection.
North Patchogue1.502.41 NY 27 (Sunrise Highway) – New York, MontaukExit 52 on NY-27.
Holtsville2.373.81Waverly Avenue north ( CR 61) – Holtsville, Suff. Co. Comm. CollegeSouthern terminus of CR 61.
2.694.33
CR 99 east (Woodside Avenue) – Brookhaven
Western terminus of CR 99.
2.994.81 CR 97 (Nicolls Road) – Stony Brook, Blue PointDiamond interchange
Holbrook4.276.87Broadway Avenue south - SayvilleFormer northern terminus of CR 18.
4.527.27CR 90 (Furrows Road) – Downtown HolbrookSite of the formerly proposed Central Suffolk Highway.
5.4258.731 I-495 (Long Island Expressway) – New York, Riverhead, Park & RideExit 61 on I-495.
Lake Ronkonkoma6.76[28]10.88 CR 16 (Portion Road) / Hans Boulevard north - Smithtown, FarmingvilleHans Boulevard continues north without designation.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 19A

County Route 19A

LocationHolbrook
Length0.9 mi[29] (1,400 m)

County Route 19A was a 0.9-mile (1.4 km) former segment of CR 19 in Holbrook. When Patchogue–Holbrook Road was realigned, this section was named Main Street. The old alignment goes "around" Holbrook, which was realigned to carry four lanes up and over the Long Island Rail Road's Main Line, which was intended to have an interchange with Union Avenue and Main Street.

Major intersections

The entire route is in Holbrook.

mi[29]kmDestinationsNotes
0.000.00Broadway Avenue to CR 19 – Patchogue, SayvilleFormer CR 18; Access to CR-19 via Broadway Avenue north.
0.300.48CR 90 (Furrows Road)Site of the formerly proposed Central Suffolk Highway.
0.861.38Union Avenue to  – Ronkonkoma, HoltsvilleAccess to Ronkonkoma LIRR Station via Union Avenue west.
0.901.45 CR 19 to I-495 – Lake RonkonkomaAccess to I-495 via CR-19 north.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 20

County Route 20

LocationPort JeffersonSound Beach
Length6.30 mi[30] (10.14 km)
Existed1930[2]–present

County Route 20 was the unsigned designation for a 6.60 miles (10.62 km) portion of North Country Road from NY 25A in Port Jefferson, just north of the railroad station, to an intersection with NY 25A in Sound Beach. CR 20 was added to the county highway system on January 27, 1930.[2] Until the 1980s, it also included Sheep Pasture Road and Lower Sheep Pasture Road from Stony Brook to Port Jefferson.

CR 20 was shared with New York State Bicycle Route 25 east of Belle Terre Road in Port Jefferson,[31] and ran through most of the Miller Place Historic District.

Sheep Pasture Road

Sheep Pasture Road is an alternate route in East Setauket connecting Stony Brook to Port Jefferson Station. For a small section it is broken up into Upper Sheep Pasture Road and Lower Sheep Pasture Road. Its main claim to fame is its name which at one time meant that there were sheep and pastures around in abundance but currently it is a heavily travelled artery and is almost all residential. The only sheep to be found are in a petting zoo about a mile north of the road on Gnarled Hollow Road. There are a few businesses closer to the eastern end in Port Jefferson Station. There is a picturesque bridge over the Long Island Rail Road track as it enters Port Jefferson Station. Unfortunately this bridge has been the scene of quite a few suicides in recent years by despondent youths. One of the largest Greek Orthodox church complexes on Long Island is on this road. It is the responsibility of Brookhaven town to maintain this road.

Major intersections
Locationmi[30]kmDestinationsNotes
Port Jefferson0.00.0 NY 25A (Main Street) / Sheep Pasture Road west – Port Jefferson StationCR 20 formerly continued west; Access to Port Jefferson railroad station via NY-25A east.
Mt. Sinai2.13.4Mt. Sinai-Coram Road  – Coram
Miller Place2.94.7Pipe Stave Hollow Road north - Cedar Beach
4.06.4Lower Rocky Point Road east
4.67.4Miller Place Road south  – Middle Island, CoramNo access from North Country Road west to Miller Place Road.
4.97.9Echo Avenue  – Sound Beach
Sound Beach6.3010.14 NY 25A – Rocky Point, Wading River
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 21

County Route 21

LocationBrookhavenRocky Point
Length11.70 mi[2] (18.83 km)
Existed1930[2]–present

County Route 21 is a two lane, 11.70-mile (18.83 km) highway running from Brookhaven to Rocky Point. Its southern terminus is at CR 80 south of the interchange between CR 16 and NY 27 (which includes Yaphank Avenue in the interchange) in Brookhaven. The highway heads northward and terminates at an intersection with NY 25A in Rocky Point. CR 21 was added to the Suffolk County highway system on January 27, 1930.[2]

Route description

CR 21 ends at CR 80 (Montauk Highway), although this portion of the road was severed when Sunrise Highway was built. For all intents and purposes as an uninterrupted route, CR 21 ends at CR 16 (Horseblock Road) in Yaphank. The road continues through Yaphank, a formerly agrarian area that has been built up by Suffolk County into a government office center, which includes the Suffolk County Police Department headquarters, and one of the main county jails. In conjunction with the development of this zone, CR 21 was widened in the mid-1970s. This project included a bridge over the Long Island Rail Road Main Line as well as some local streets, one of which leads directly to Yaphank Station. North of the tracks, the Suffolk County Almshouse Barn can be found west of the road, as well as the former Suffolk County Sanitorium, and other county government buildings. In this area, CR 21 also crosses I-495, which was built through the existing road in the late 1960s. The interchange here was not finished until 2000, when a westbound on-ramp and an eastbound off-ramp were added.

North of the Long Island Expressway, Yaphank Avenue runs on top of the dam for Lower Yaphank Lake before its terminus at East Main Street. Here the historic Homan-Gerard House and Mills can be found on the southeast corner, while the former Yaphank Garage can be found on the southwest corner. CR 21 makes a left turn at the intersection and proceeds through historic Yaphank. East Main Street leads to another historic Long Island road named Moriches–Middle Island Road, which took residents between Rocky Point and The Moricheses long before the automobile was invented, let alone the Suffolk County Highway System. Near Upper Yaphank Lake, CR 21 intersects with West Main Street, at one of two former Yaphank triangles (the other being at Mill Road and Patchogue–Yaphank Road). At this point, CR 21 resumes its northward heading. Also at this point, a former section of the road is visible on land now owned by the Suffolk County Parks Department. It is visible diagonally across the street from and north of a building formerly owned by New York Telephone.

CR 21 meanders through a variety of landscapes as it heads north to Middle Island, including farmland and forest. It passes close to the Carman's River at this point, particularly in the area of Cathedral Pines County Park. This area was notorious as one of the most deadly stretches of the road until safety improvements realigned and modernized the roadway near East Bartlett Road and again north of Longwood Road. Another former section of road called Old Middle Island–Yaphank Road breaks off to the left near CR 21's intersection with NY 25. North of NY 25, the name of the road changes from Yaphank–Middle Island Road to Rocky Point–Yaphank Road. The former alignment of the road continues roughly parallel to the newer road, rejoining it near the intersection of Bayliss Road (also known as Bailey Road). Additionally, a former meander in the road is visible on either side of CR 21 just south of Whiskey Road.

Between Middle Island and Rocky Point, much of CR 21 runs through the Rocky Point Natural Resources Management Area, a major conservation area on land once owned by the Radio Corporation of America. This land was once considered the world's largest radio transmitting field.[32] Here, the road is given a second name of Marconi Boulevard. North of the former RCA Labs, CR 21 runs between a high school and a housing project, before terminating at NY 25A. North of NY 25A, the road turns into Hallock Landing Road as it heads towards the bluffs of the Long Island Sound.

History

CR 21 was added to the Suffolk County highway system on January 27, 1930, on various roads dating back to colonial times. A widening project took place along Yaphank Avenue during the 1970s but various realignments took place along Yaphank–Middle Island Road, and Rocky Point–Yaphank Road before then. Though CR 21 runs almost the entire breadth of Central Long Island, it does not intersect many major highways. Due to steep public opposition to highway improvements, there are multiple proposed and never-built highways that would have intersected this road:

  • CR 99 was supposed to be extended east of CR 16 terminating at an interchange with CR 21.
  • CR 90 was supposed to have an interchange with Yaphank Avenue near the Suffolk County Police Department Headquarters. This was to be part of the proposed Central Suffolk Highway designed to reconnect the two broken ends of NY 24.
  • CR 102 was a proposed upgrade of East Main Street east of CR 21. The new highway would have extended to exit 68 on the Long Island Expressway and William Floyd Parkway.
  • CR 101 was either supposed to cross over Lower Yaphank Lake and East Main Street or at the east triangle with West Main Street and Middle Island–Yaphank Road. Both proposed extensions were to lead to William Floyd Parkway between Parr Meadows and Longwood Road.
  • CR 24 was supposed to be upgraded to an extension between East Bartlett Road and Longwood Road.
  • CR 8, the formerly proposed Yaphank Bypass, was supposed to terminate between Bayliss Road (also known as Bailey Road) and Miller Place–Yaphank Road.
  • CR 111 was supposed to have an interchange at the intersection of Whiskey Road.
  • CR 26 was supposed to have an interchange at the north end of the Rocky Point Natural Resources Management Area. It was intended to be relocated from the North Fork and upgraded as part of NY 347.

With the construction of exit 57 along Sunrise Highway, which interrupted original sections of both Horseblock Road and Yaphank Avenue, the new section of Horseblock Road was originally designated CR 21A. This designation was eventually integrated into part of CR 16.

Major intersections
Locationmi[33][34]kmDestinationsNotes
Brookhaven0.000.00 CR 80 (Montauk Highway) – Patchogue, Bellport, ShirleyFormer NY 27A
0.310.50
NY 27 east
Exit ramp from exit 57S of NY 27
Gap in route; connection made via CR 80 and CR 16
Yaphank0.310.50
NY 27 west – New York
Entrance ramp to NY 27
0.500.80

CR 16 (Horseblock Road) to NY 27 east – Smithtown
2.854.59 I-495 – New York, RiverheadExit 67 on I-495; diamond interchange fully completed in 2000
3.115.01Main StreetFormer western terminus of CR 102
Middle Island5.869.43Longwood RoadFormer western terminus of CR 24
7.2511.67 NY 25 (Middle County Road)
Rocky Point11.70[2]18.83 NY 25A / Hallock Landing RoadContinues north without designation
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 21A

County Route 21A

LocationSouth Haven

County Route 21A was a suffixed alternate of CR 21 created during the construction of exit 57 along Sunrise Highway, which interrupted original sections of both Horse Block Road and Yaphank Avenue, The new section was officially part of Horse Block Road, but was eventually deleted, when it was integrated into part of CR 16.

County Route 22

County Route 22

LocationJamesportNorthville
Length2.45 mi[2] (3.94 km)
Existed1930[2]–present

County Route 22 was an unsigned, 2.45-mile (3.94 km) north–south county highway known as Manor Lane. The designation ran from NY 25 in the community of Jamesport to an intersection with Sound Avenue, a former alignment of NY 25A,[35] in Northville, just east of now former CR 23. CR 22 began in the Suffolk County highway system since January 27, 1930.[2]

Major intersections
Locationmi[2]kmDestinationsNotes
Jamesport0.000.00 NY 25 (Main Road)
Northville2.453.94Sound AvenueFormer alignment of NY 25A[35]
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 23

County Route 23

LocationAquebogueNorthville
Length1.75 mi[2] (2.82 km)
Existed1930–present

County Route 23 was an unsigned, 1.75-mile (2.82 km) north–south county highway. CR 23, designated Church Lane, began at an intersection with NY 25 (Main Road) in Aquebogue and terminated at an intersection with Sound Avenue in Northville. CR 23 was added to the county highway system on January 27, 1930, and is no longer recognized by either SCDPW or NYSDOT.[2]

Major intersections
Locationmi[2]kmDestinationsNotes
Aquebogue0.000.00 NY 25
Northville1.752.82Sound AvenueFormer alignment of NY 25A[35]
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 24

County Route 24

LocationMiddle IslandUpton
Length1.9 mi[36] (3.1 km)
Existed1975–present

County Route 24 was an unsigned county highway extending from CR 21 (Yaphank–Middle Island Road) in the community of Middle Island to CR 46 (William Floyd Parkway) in Upton. CR 24, designated Longwood Road, also served Cathedral Pines County Park at its western terminus. The route, which was originally named South Manor Road, was added to the county highway system for Suffolk County on March 25, 1975. The route is no longer recognized by the Suffolk County Department of Public Works and the New York State Department of Transportation.[2]

Major intersections
Locationmi[36]kmDestinationsNotes
Middle Island0.000.00 CR 21 (Yaphank–Middle Island Road)
Upton1.903.06 CR 46 (William Floyd Parkway) / Princeton AvenueContinues east to Brookhaven National Laboratory
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 25

County Route 25

LocationCenter MorichesWading River
Length11.05 mi[2] (17.78 km)

County Route 25 was an 11.05-mile (17.78 km) north–south two-lane highway running from Center Moriches to Wading River. CR 25 went from the Montauk Highway in Center Moriches to an intersection with NY 25A in the community of Riverhead. The highway was designated on May 1, 1968, from former CR 66 along Brookfield Avenue, Wading River Road and Schultz Road.[2] During the 1970s, the highway was to receive widening and realignment projects west of the existing Wading River Road. The projects were to stretch from exit 69 on the Long Island Expressway (I-495) southward to the Montauk Highway and the western terminus of the Moriches Bypass, designated CR 98. The new section of the road was never built, and the CR 25 designation was eventually removed.

References

  1. ^ a b "CR 1" (PDF). NYSDOT Local Highway Inventory. Retrieved February 6, 2020.
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar "County Road System – County of Suffolk, New York" (PDF). Suffolk County Department of Public Works. Retrieved June 4, 2010.
  3. ^ a b "CR 2" (PDF). NYSDOT Local Highway Inventory. Retrieved February 6, 2020.
  4. ^ a b c d Anderson, Steve. "Suffolk County Routes 1–25". NYCRoads. Archived from the original on February 21, 2012. Retrieved January 26, 2012.
  5. ^ a b "CR 3" (PDF). NYSDOT Local Highway Inventory. Retrieved February 6, 2020.
  6. ^ a b "CR 4" (PDF). NYSDOT Local Highway Inventory. Retrieved February 6, 2020.
  7. ^ a b c "CR 5" (PDF). NYSDOT Local Highway Inventory. Retrieved February 6, 2020.
  8. ^ a b c "CR 6" (PDF). NYSDOT Local Highway Inventory. Retrieved February 6, 2020.
  9. ^ a b "CR 7" (PDF). NYSDOT Local Highway Inventory. Retrieved February 6, 2020.
  10. ^ a b c d "CR 9" (PDF). NYSDOT Local Highway Inventory. Retrieved February 8, 2020.
  11. ^ a b "CR 10" (PDF). NYSDOT Local Highway Inventory. Retrieved February 8, 2020.
  12. ^ "CR 11" (PDF). NYSDOT Local Highway Inventory. Retrieved February 8, 2020.
  13. ^ a b "CR 12". New York State Department of Transportation. Retrieved February 8, 2020.
  14. ^ a b c d "CR 13". New York State Department of Transportation. Retrieved February 9, 2020.
  15. ^ "Pilgrim State Psychiatric Center Map". Long Island Oddities. Archived from the original on April 28, 2010. Retrieved April 2, 2010.
  16. ^ a b c "CR 13a". New York State Department of Transportation. Retrieved February 9, 2020.
  17. ^ Atlas of Suffolk County, New York (Map). Hagstrom Map. 1969.
  18. ^ a b New York State Department of Transportation https://www.dot.ny.gov/highway-data-services/lhi-county-roads. Retrieved February 9, 2020. {{cite web}}: Missing or empty |title= (help)
  19. ^ a b New York State Department of Transportation https://www.dot.ny.gov/highway-data-services/lhi-county-roads. Retrieved January 30, 2017. {{cite web}}: Missing or empty |title= (help)
  20. ^ a b "CR 17". NYSDOT. Retrieved February 9, 2020.
  21. ^ "October 12, 2001 trestle photo". TrainsAreFun. Retrieved April 2, 2010.
  22. ^ Google (May 31, 2015). "CR 17" (Map). Google Maps. Google. Retrieved May 31, 2015.
  23. ^ a b Google (May 31, 2015). "List of county routes in Suffolk County, New York (1–25)" (Map). Google Maps. Google. Retrieved May 31, 2015.
  24. ^ "CR 19". NYSDOT. Retrieved February 9, 2020.
  25. ^ [Town of Brookhaven Zoning Map; August 21, 2000(and earlier)]
  26. ^ [Hagstrom's Atlas of Suffolk County, New York (1969, and other dates)]
  27. ^ Proposed Park and Ride Center; Lake Ronkonkoma (Suffolk County Department of Planning)
  28. ^ a b Google (May 31, 2015). "CR19a" (Map). Google Maps. Google. Retrieved May 31, 2015.
  29. ^ a b Google (May 31, 2015). "CR 19A" (Map). Google Maps. Google. Retrieved May 31, 2015.
  30. ^ a b Google (May 31, 2015). "CR 20" (Map). Google Maps. Google. Retrieved May 31, 2015.
  31. ^ State Bike Route 25 (Bicycling in New York; NYSDOT)
  32. ^ Radio Central. 1922. Retrieved March 5, 2018.
  33. ^ Google (May 31, 2015). "CR 21 (Southern Section)" (Map). Google Maps. Google. Retrieved May 31, 2015.
  34. ^ Google (May 31, 2015). "CR 21 (Northern Section)" (Map). Google Maps. Google. Retrieved May 31, 2015.
  35. ^ a b c New York (Map). Cartography by H.M. Gousha Company. Kendall Refining Company. 1931.
  36. ^ a b Google (May 31, 2015). "CR 24" (Map). Google Maps. Google. Retrieved May 31, 2015.

External links