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

The following is a list of county routes in Suffolk County, New York from Routes 1 to 25.

County Route 1

County Route 1
Location:	Babylon
Length:	2.90 mi[1] (4.67 km)
Existed:	1930–present[1]

County Route 1 is known as County Line Road and extends for 2.90 miles (4.67 km) through the town of Babylon. It begins at NY 27A (Montauk Highway) in Amityville and heads north to the lower-left ramps of the interchange with NY 110 and Southern State Parkway in East Farmingdale. Parts of the road enter Nassau County; however, the Nassau County sections are not part of CR 1. A locally-maintained segment of County Line Road exists on the north side of Southern State Parkway, but it is little more than a spur leading from Main Street on the Farmingdale – East Farmingdale border.

Location	Mile	Destinations	Notes
Amityville		NY 27A
		Old Sunrise Highway (NY 900D)
		NY 27
East Farmingdale		Southern State Parkway	Exit 32S (Southern State Parkway)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 2

County Route 2
Location:	Amityville–Half Hollow Hills
Existed:	1930–present[1]

County Route 2 is mostly known as Straight Path and extends from the town of Babylon 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 Heathcoat Road ends. The divider ends at Sherebrook 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 CR 95 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.

County Route 2A
Location:	Anityville-North Lindenhurst
Existed:	1930–1943[1]

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;^[1] however, this extension was never built. The intersection between CR 2 and NY 27 was once intended to be upgraded into an interchange.^{[citation needed]}

Location	Mile	Destinations	Notes
Amityville		NY 110
Copiague		CR 47
North Lindenhurst		NY 27
		CR 3
		NY 109
West Babylon		Southern State Parkway	Exits 36N–S (Southern State Parkway)
Wyandanch		CR 95
Half Hollow Hills		NY 231
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 3

County Route 3
Location:	Lindenhurst–Melville

Suffolk County Road 3 is a north-south road that includes Wellwood Avenue and Pinelawn Road. It runs mostly parallel to New York State Route 110 until it crosses over the Long Island Expressway, where it moves to the northwest to use NY 110 as its northern terminus.

Wellwood Avenue begins as a Lindenhurst Village street at the mouth of Neguntetauge Creek on South Oyster Bay, and heads north towards New York State Route 27A, where it becomes a two-lane divided highway. Suffolk CR 3 begins along Wellwood Avenue north of Route 27A as that two-lane divided highway, and the divider quickly ends. Along the way the road passes Lindenhurst Village Hall and Memorial Library, and the Old Village Hall Museum.

The first major intersection is with Suffolk CR 12(Hoffman Avenue) west of Lindenhurst, although after CR 3 passes under the Babylon Branch, it intersects a Village Street named Hoffman Avenue.

After leaving the Village of Lindenhurst, CR 3 encounters a cloverleaf interchange with NY 27(No exit numbers), 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 Suffolk 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 New York State Route 109. North of NY 109, Suffolk CR 3 runs through the center of the Cemetery zone of southwestern Suffolk County along the following burial grounds;

• Mount Ararat Cemetery on the west side between NY 109 and Southern State Parkway.
• New Montifeore Cemetery on the northeast corner of the Southern State Parkway interchange.
• Roman Catholic Church Diocese of Brooklyn Cemetery on the west side from Southern State Parkway(Exit 35) to the Main Line of the LIRR.
• Wellwood Cemetery on the east side north of Patton Avenue.
• Beth Moses Cemetery on the east side north of Wellwood Cemetery.
• Pinelawn Cemetery on the north site of the LIRR Main Line and northeast corner of Pinelawn Station.
• Long Island National Cemetery on the east side north of Pinelawn Cemetery.

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 County Roads 3 and 5 (Rutland Road), which is also the intersection of County Road 95 (Colonial Springs Drive). North of Ruland Road and Colonial Springs Drive, CR 3 becomes Pinelawn Road, and runs parallel to Old East Neck Road before moving away from it at Half Hollow Road, which leads to the only remaining drivable section of Long Island Motor Parkway. From there the road takes a northwesterly turn and crosses over Long Island Expressway east of Exits 49 N-S, where it becomes a four-lane highway once again, but not before approaching New York State Route 110. Suffolk CR 3 and Pinelawn Road end at NY 110. However, 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.

Major intersections

Location	Mile	Destinations	Notes
Lindenhurst		NY 27A
		CR 12
North Lindenhurst		NY 27	Cloverleaf interchange with no exit numbers
		CR 2
		NY 109
		Southern State Parkway	Exits 35 (Southern State Parkway)
Melville		CR 5 / CR 95
		CR 67
		I-495	East of Exits 49N–S (Long Island Expressway)
		NY 110
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 4

County Route 4
Location:	Deer Park–Fort Salonga
Existed:	1930 (1961)–present

Suffolk County Road 4 consists mainly of Commack Road The road starts at a northeast angle off of New York State Route 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 an 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 Pulaski Road.

North of NY 25, CR 4 become Bread-and-Cheese Hollow 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 Dovecotte Lane, Bread-and-Cheese Hollow 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 segment approaching the high bridge for the Port Jefferson Branch of the Long Island Rail Road was unpaved well into the late-1970's. After crossing under this bridge, the road intersects CR 11 in East Northport. Within Middleville, CR 4 is the western terminus of Sunken Meadow Road, and the northern terminus of Old Bridge Road, which leads to Middleville Road, where a VA Hospital is located.

Suffolk County Road 4 ends at New York State Route 25A. However just west of this terminus is a Town of Huntington-maintained street named Fort Pond Road which takes drivers to Indian Hills Country Club and the Long Island Sound.

Location	Mile	Destinations	Notes
North Babylon		NY 231
Deer Park		CR 57 (Bay Shore Road)
Commack		I-495	Exit 52 (Long Island Expressway)
		CR 13 (Crooked Hill Road)
		CR 67	Long Island Motor Parkway
		Northern Parkway	Exit 43 (Northern State Parkway)
		NY 25
East Northport		CR 11 (Pulaski Road)
Fort Salonga		NY 25A
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 5

County Route 5
Location:	Melville

County Route 5 is a short, unsigned industrial Suffolk County Route known as Ruland Road. It runs parallel to a former section of the original Long Island Motor Parkway and towards the headquarters of Newsday.

County Route 6

County Route 6
Location:	Hauppauge

Suffolk County Road 6 is Rabro Drive. It serves the Hauppauge Industrial Park, and the State and County Government Office Buildings.

County Route 7

County Route 7
Location:	Brentwood

Suffolk County Road 7, better known as Wicks Road runs north and south from Suffolk County Road 13 to the Long Island Motor Parkway at the former Long Island Expressway Exit 54. The road is entirely in Brentwood, New York.

Originally, Wick's Road ran further north than Suffolk 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 New York State Route 25.

County Route 8

County Route 8
Location:	Yaphank-Middle Island

County Road 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 County Road 21 near Bayliss (Bailey) Road.

County Route 9

County Route 9
Location:	Greenlawn–Elwood
Length:	4.64 mi[1] (7.47 km)
Existed:	1936–present

County Road 9, known as Cuba Hill Road or Greenlawn Road, is an unsigned county road that runs through the town of Huntington, New York. The road runs northwest to southeast, beginning as Greenlawn Road and crossing over the LIRR as Cuba Hill Road. Its northern terminus is East Main Street (NY 25A) in Greenlawn, and it ends across from Burr Road on Elwood Road (CR 10) in Elwood.

The road is currently unsigned, however there were once signs that marked CR 9.

History

The Greenlawn Road portion of CR 9 was formerly CR 34. This portion was reassigned in 1930.

However, the expansion of CR 9 led from the LIRR tracks to CR 10, Elwood Road. This expansion is today Cuba Hill Road and was added on December 26, 1936.

Part of New York State Bicycle Route 25A was established along CR 9 from Little Plains Road through the intersection with CR 10 and Burr Road in the early-21st Century.

Schools and Institutions

• BAE Systems Long Island is located at the corner of Cuba Hill Road and Pulaski Road in Greenlawn which holds awards for students at Elwood Middle School.

• James H. Boyd Intermediate School stands at 286 Cuba Hill Road.

Major intersections

Location	Mile	Destinations	Notes
Greenlawn		NY 25
		CR 11
		CR 86
Elwood		CR 10	Continues east as Burr Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 10

County Route 10
Location:	Elwood–Northport
Length:	6.5 mi[citation needed] (10.46 km)
Existed:	1955–present

Suffolk County Road 10, commonly referred to as Elwood Road is a two-lane suburban county road in Suffolk County, New York. 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 road has resulted in traffic jams along the corridor.

Major intersections

Location	Mile	Destinations	Notes
Elwood		NY 25
		CR 9
East Northport		CR 11
Northport		NY 25A
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 11

Main article: County Route 11 (Suffolk County, New York)

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

County Route 12

County Route 12
Location:	Amityville–Babylon
Existed:	1959–present

Suffolk County Road 12 runs east and west along the Babylon Branch of the Long Island Rail Road from the intersection of NY 110 and Old Sunrise Highway to CR 34 in the Village of Babylon. It was originally a suffixed extension of CR 50 until 1959.

At the intersection of Suffolk CR 47, if you look north, you can see the elevated Copiague Station over the street, which you can also see 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 Copiague/Lindenhurst Village Line.

In Lindenhurst, the name of Suffolk 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. Here it's quite common for motorists using one of the Hoffman Avenues to look beneath the tracks and see the street-name signs of the others. East of the intersection with Suffolk 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 until reaching NY 109, where it becomes Trolley Line Road. This segment is named for the former Babylon Railroad Company, which used the street as part of the route for it's streetcar. Between Suffolk CR 96 and NY 109, the Central Branch merges with the Babylon Branch. Just before the road straddles the north side of Argyle Lake and the park that it's named after, municipal parking become available on the opposite side of the park for Babylon Station. The station itself won't be found until SCR 12 intersects with North Carll Avenue, and as the Railroad Avenue name is revived, the station is the final site along the north side of CR 12 before it ends at Suffolk CR 34(Deer Park Avenue).

Major intersections

Location	Mile	Destinations	Notes
Amityville		CR 1 (County Line Road)	Continuation of NY 900D
		NY 110 (Broadway)
Copiague		CR 47 (Great Neck Road)
Lindenhurst		CR 3 (Wellwood Avenue)
West Babylon		CR 96 (Great East Neck Road)
Babylon		NY 109 (Little East Neck Road)
		CR 34 (Deer Park Avenue)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 13

County Route 13
Location:	Bay Shore – Commack
Length:	7.57 mi[1] (12.18 km)
Existed:	1930[1]–present

County Route 13 is a 7.57 miles (12.18 km) long county road in Suffolk County, New York. It runs north and south from County Route 4 near Commack to New York State Route 27A in Bay Shore. Its includes Fifth Avenue, and Crooked Hill Road between Bay Shore, New York and the vicinity of Commack, New York. The road north and south primarily east of Robert Moses Causeway and Sagtikos State Parkway, until it crosses over 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.^[1]

County Route 13A

County Route 13A
Location:	Bay Shore
Length:	0.62 mi[1] (1.00 km)
Existed:	1967[1]–present

County Route 13A is the southbound only segment of Suffolk CR 13 in Downtown Bay Shore. At the intersection of Reil Place all southbound traffic along County Route  13 shifts to a parallel street called Clinton Avenue. This segment was formerly designated Suffolk County Road 53,^[2] until May 22, 1967.^[1] 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 County Route 13 and 13A cross the LIRR Montauk Branch and intersect with County Route 50 (Union Boulevard) before terminating at New York State Route 27A.

County Route 14

County Route 14
Location:	Commack – Kings Park
Length:	7.67 mi[1] (12.34 km)
Existed:	1930[1]–present

County Route 14 is a long county highway in Suffolk County, New York. It runs north and south from New York State Route 25 (Jericho Turnpike) in Commack to New York State Route 25A in Kings Park. It runs parallel to the Sunken Meadow State Parkway between its southern terminus in Commack and Cowie Road. County Route 14 ends near Kings Park Station, just two blocks east of County Road 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 reaching Sunken Meadow Road. County Route 14 was first added to the county highway system on January 27, 1930. A portion of former County Route 2 (the Straight Path) was added to County Route 14 on June 22, 1961.^[1]

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 Suffolk CR 14 at Exit SM 3E. This interchange was designated Exit SM 3A. West-to-northbound motorists from NY 25 use the on-ramp from this newer interchange to get to the parkway.

County Route 15

County Route 15
Location:	Hauppauge–Smithtown
Length:	1.35 mi[1] (2.17 km)
Existed:	1930[1]–present

County Route 15 is an unsigned, 1.35 miles (2.17 km) long county highway in Hauppauge and Smithtown. The route begins at an intersection with New York State Route 111 (the Smithtown-Islip Highway) to New York State Route 25 and New York State Route 25A (Main Street) in the Village of the Branch, New York. County Route 15 was added to the county highway system on January 27, 1930.^[1]

County Route 16

County Route 16
Location:	Smithtown – South Haven
Length:	16.02 mi[1] (25.78 km)
Existed:	1930[1]–present

Main article: County Route 16 (Suffolk County, New York)

County Route 16 is a 16.02 miles (25.78 km) county-maintained highway stretching from New York State Route 25 on the border of Smithtown, New York and the Village of the Branch, eastward to Montauk Highway (County Route 80) in Brookhaven, New York consisting of part of four roads; Terry Road, Lake Shore Drive(formerly East Lake Terrace), Portion Road, and Horse Block Road. Between Terry Road and East Lake Terrace, it also includes all of Smithtown Boulevard. County Route 16 has been on the Suffolk County highway system since January 27, 1930.^[1]

Though Suffolk County Road 16 has run consistently from Smithtown to Brookhaven since the mid-1960s, this wasn't always the case. Many segments have been part of other county roads. East Lake Shore Terrace Drive and Portion Road used to be part of Suffolk County Road 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 Suffolk CR 21, the new alignment was originally designated as County Route 21A. Horse Block Road used to be a western extension of County Route 56 between Victory Avenue, a frontage road along Sunrise Highway that begins at County Route 46, in Brookhaven and Waverly Avenue in Farmingville. In 1964, it was moved only to Victory Avenue.

County Route 17

County Route 17
Location:	East Islip – Hauppauge
Length:	5.51 mi[1] (8.87 km)
Existed:	1966–present

County Route 17 is a 5.51 miles (8.87 km) long county road located in western Suffolk County, New York. The route runs north–south from New York State Route 27A in East Islip to New York State Route 111 near Hauppauge, just south of exit 56 on Interstate 495 (the Long Island Expressway). Originally, County Route 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 was re-designated as Route 17.^[1]

Location	Mile[1]	Destinations	Notes
East Islip	0.00	NY 27A (Montauk Highway)
		CR 50 (Union Boulevard)
		NY 27 (Sunrise Highway)	Exit 46
Islip Terrace		Heckscher Parkway	Exit 43A, added in the early 1990s
Central Islip		CR 100 (Suffolk Avenue)
		CR 67 (Long Island Motor Parkway)
Hauppauge	5.51	NY 111
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 18

County Route 18
Location:	Sayville–Holbrook
Length:	3.90 mi[1] (6.28 km)
Existed:	1930[1]–present

County Route 18 is a 3.90 miles (6.28 km) long county highway along Broadway Avenue from east of Sayville to Holbrook. It is an unsigned two-lane arterial spanning from Montauk Highway (County Route 85) to County Route 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 America camp. The route was added to the Suffolk County highway system on January 27, 1930.^[1]

Major intersections

Location	Mile	Destinations	Notes
Sayville		CR 85 (Montauk Highway)
Holtsville		NY 27 (Sunrise Highway)	Between Exits 50 and 51
		NY 454 (Veterans Memorial Highway)
Holbrook		CR 19A (Main Street)
		CR 19 (Patchogue-Holbrook Road)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 19

County Route 19
Location:	Patchogue–Ronkonkoma
Length:	6.86 mi[1] (11.04 km)

County Route 19 is a 6.86 miles (11.04 km) long north–south arterial through central Suffolk County. The highway begins at an intersection with County Route 65 in Patchogue. It connects several bedroom communities with major highways such as the Long Island Expressway and New York State Route 27. County Route 19 terminates at an intersection with County Route 16 in Ronkonkoma. The route was added to the Suffolk County highway system on January 27, 1930, and was amended on January 29, 1965.^[1]

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 Railroad'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.^[3][4]

Leaving the Patchogue area, the road curves slightly left, as Waverly Avenue 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 town. After this bypass was built, the old section was renamed Main Street, eliminated between the new section and CR 18(Broadway Avenue) and designated CR 19A(see below). The new alignment carries four lanes up and over the Long Island Railroad'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."^[5] 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

Location	Mile	Destinations	Notes
Patchogue	0.00	CR 65 (Division Street)
		CR 85 (West Main Street)
		NY 27 (Sunrise Highway)	Exit 52
Holtsville		CR 61 (Waverly Avenue)	Waverly Avenue branches north as CR 19 becomes Patchogue-Holbrook Road
		CR 99 (Woodside Avenue)
		CR 97 (Nicoll's Road)
Holbrook		CR 18 (Broadway Avenue)	Unmarked, To CR 19A
		CR 90 (Furrows Road)	Unmarked, Formerly proposed Central Suffolk Highway
		(Union Avenue)	To CR 19A
		I-495 (Long Island Expressway)	Exit 61
Ronkonkoma		CR 16 (Portion Road)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 19A

County Route 19A
Location:	Holbrook
Length:	0.9 mi[6] (1.4 km)

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

County Route 20

County Route 20
Location:	Port Jefferson – Sound Beach
Length:	6.60 mi[1] (10.62 km)
Existed:	1930[1]–present

County Route 20 is the designation for a 6.60 miles (10.62 km) portion of North Country Road from New York State Route 25A in Port Jefferson, just north of the railroad station, to an intersection with NY 25A in Sound Beach. Route 20 was added to the county highway system on January 27, 1930.^[1] Until the 1980s it also included Sheep Pasture Road(see below) and Lower Sheep Pasture Road from Stony Brook to Port Jefferson.

County Route 20 is shared with New York State Bicycle Route 25 east of Belle Terre Road in Port Jefferson, and runs through most of the Miller Place Historic District.

Sheep Pasture Road

Sheep Pasture Road is a road in Setauket that is an alternate route 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.

County Route 21

County Route 21
Location:	Brookhaven – Rocky Point
Length:	11.75 mi[1] (18.91 km)
Existed:	1930[1]–present

Main article: County Route 21 (Suffolk County, New York)

County Route 21 is a two lane, 11.75 miles (18.91 km) long highway running from Brookhaven to Rocky Point. Its southern terminus is at County Route 16 near the interchange with New York State Route 27 in Brookhaven. The highway heads northward, terminating at an intersection with New York State Route 25A in Rocky Point. County Route 21 was added to the Suffolk County highway system on January 27, 1930.^[1]

County Route 22

County Route 22
Location:	Jamesport–Northville
Length:	2.45 mi[1] (3.94 km)
Existed:	1930[1]–present

County Route 22 is an unsigned, 2.45 miles (3.94 km) long north–south county highway. Known locally as Manor Road, the designation runs from New York State Route 25 in the community of Jamesport to an intersection with Sound Avenue, a former alignment of New York State Route 25A,^[7] in Northville, just east of County Route 23. County Route 22 has been in the Suffolk County highway system since January 27, 1930.^[1]

Location	Mile[1]	Destinations	Notes
Jamesport	0.00	NY 25 (Main Road)
Northville	2.45	Sound Avenue
	1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 23

County Route 23
Location:	Aquebogue–Northville
Length:	1.75 mi[1] (2.82 km)
Existed:	1930–present

County Route 23 is an unsigned, 1.75 miles (2.82 km) long north–south county highway. County Route 23, designated Church Lane, begins at an intersection with New York State Route 25 (Main Road) in Aquebogue, New York and terminates at an intersection with Sound Avenue in Northville. County Route 23 was added to the county highway system on January 27, 1930.^[1]

Location	Mile[1]	Destinations	Notes
Aquebogue	0.00	NY 25 (Main Road)
Northville	1.75	Sound Avenue
	1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 24

County Route 24
Location:	Middle Island – Upton
Existed:	1975–present

County Route 24 is an unsigned county highway from County Route 21 (Yaphank–Middle Island Road) in the community of Middle Island to County Route 46 (William Floyd Parkway) in Upton. County Route 24, designated Longwood Road, also serves Cathedral Pines County Park at its western terminus. The route was added to the county highway system for Suffolk County on March 25, 1975.^[1]

Location	Mile[1]	Destinations	Notes
Middle Island	0.00	CR 21 (Yaphank–Middle Island Road)
Upton		CR 46 (William Floyd Parkway)
	1.000 mi = 1.609 km; 1.000 km = 0.621 mi

County Route 25

County Route 25
Location:	Center Moriches – Wading River
Length:	11.05 mi[1] (17.78 km)

County Route 25 was an 11.05 miles (17.78 km) long north-south two-lane highway running from Center Moriches to Wading River. Route 25 went from the Montauk Highway in Center Moriches to an intersection with New York State Route 25A in the community of Riverhead. The highway was designated on May 1, 1968 from former County Route 66 along Brookfield Avenue, Wading River Road and Schultz Road.^[1] 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 (Interstate 495) southward to the Montauk Highway and the western terminus of the Moriches Bypass, designated County Route 98. The new section of the road was never built, and the County Route 25 shields eventually decommissioned.

See also

• List of county routes in Suffolk County, New York
• List of Suffolk County (New York) Road proposals
• List of county routes in Suffolk County, New York (26–50C)
• List of county routes in Suffolk County, New York (51–75)
• List of county routes in Suffolk County, New York (76–100)
• List of county routes in Suffolk County, New York (101–117)

References

1. ^ ^{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 as at} "County Road System – County of Suffolk, New York" (PDF). Suffolk County Department of Public Works. 1968. http://www.greaternyroads.info/pdfs/suffcr.pdf. Retrieved June 4, 2010. 
2. ^ Hagstrom Map (1969). Atlas of Suffolk County, New York (Map). 
3. ^ [Town of Brookhaven Zoning Map; August 21, 2000(and earlier)]
4. ^ [Hagstrom's Atlas of Suffolk County, New York (1969, and other dates)]
5. ^ Proposed Park and Ride Center; Lake Ronkonkoma (Suffolk County Department of Planning)
6. ^ Google, Inc. Google Maps – Overview map of County Route 19A (Map). Cartography by Google, Inc. http://maps.google.com/maps?f=d&source=s_d&saddr=Main+St%2FOld+Patchogue-Holbrook+Rd&daddr=Main+St%2FOld+Patchogue-Holbrook+Rd&geocode=FbDAbgId89-k-w%3BFU6dbgIdQAyl-w&hl=en&mra=dme&mrcr=0&mrsp=1&sz=16&sll=40.806127,-73.071442&sspn=0.007926,0.013797&ie=UTF8&ll=40.80499,-73.068073&spn=0.007926,0.013797&z=16. Retrieved June 4, 2010. 
7. ^ Kendall Refining Company (1931). New York (Map). Cartography by H.M. Gousha Company. 

External links

• Suffolk County Roads 1-25 @NYCRoads.com