Suffolk County Route Listing

Note: This list contains the county route numbers and termini of roads maintained by Suffolk County and recognized as county routes by the state. There also other roads that were assigned county route numbers but never actually taken over by the county. These numbers can be found in the Former and Proposed Routes section of this web site.

Park Avenue, Simon Street, John Street, Union Boulevard
Direction:
East/West
Western Terminus:
Little East Neck Road (NY 109) in Babylon
Eastern Terminus:
Montauk Highway (NY 27A) in East Islip
Distance:
9.95 miles
Signed:
Yes
East Moriches-Riverhead Road, Center Drive South
Direction:
North/South
Southern Terminus:
Montauk Highway (CR 80) in East Moriches
Northern Terminus:
Center Drive (NY 24/CR 94) in Riverhead
Distance:
8.68 miles
Signed:
Yes
Sandy Hollow Road
Direction:
North/South
Southern Terminus:
North Road (NY 27/CR 39) in Southampton
Northern Terminus:
North Sea Road (CR 38) in Southampton
Distance:
0.93 miles
Signed:
Yes
Hulse Landing Road
Direction:
North/South
Southern Terminus:
Sound Avenue in Wading River
Northern Terminus:
North Wading River Road in Wading River
Distance:
1.02 miles
Signed:
Yes
Eastport Manor Road
Direction:
North/South
Southern Terminus:
Montauk Highway (CR 80) in Eastport
Northern Terminus:
East Moriches-Riverhead Road (CR 51) in Eastport
Distance:
0.96 miles
Signed:
Yes
Victory Avenue
Direction:
East/West
Western Terminus:
Horse Block Road (CR 16) in Brookhaven
Eastern Terminus:
William Floyd Parkway (CR 46) in Shirley
Distance:
2.20 miles
Signed:
Yes
Bay Shore Road, Howells Road, Third Avenue
Direction:
East/West
Western Terminus:
Deer Park Avenue (NY 231) in North Babylon
Eastern Terminus:
Union Boulevard (CR 50) in Bay Shore
Distance:
4.33 miles
Signed:
Yes
Old Country Road
Direction:
East/West
Western Terminus:
Middle Country Road (NY 25) in Riverhead
Eastern Terminus:
Main Road (NY 25) in Riverhead
Distance:
4.49 miles
Signed:
Yes
Long Lane
Direction:
North/South
Southern Terminus:
Newtown Lane in East Hampton
Northern Terminus:
South of Stephen Hands Path
Distance:
0.99 miles
Noyack-Long Beach Road, Short Beach Road
Direction:
North/South
Southern Terminus:
Noyack Road in Noyack
Northern Terminus:
South Ferry Road (NY 114) in Sag Harbor
Distance:
1.74 miles
Signed:
Yes
Waverly Avenue
Direction:
North/South
Southern Terminus:
Patchogue-Holbrook Road (CR 19) in Holbrook
Northern Terminus:
Woodside Avenue (CR 99) in Holbrook
Distance:
0.48 miles
Newtown Road, Sunset Lane
Direction:
North/South
Southern Terminus:
Montauk Highway (CR 80) in Hampton Bays
Northern Terminus:
Dead end at the Shinnecock Canal
Distance:
0.85 miles
Signed:
Yes
Old East Moriches-Riverhead Road, Peconic Avenue
Direction:
North/South
Southern Terminus:
East Moriches-Riverhead Road (CR 51) and Center Drive South (CR 51) in Riverhead
Northern Terminus:
Main Street (NY 25) in Riverhead
Distance:
1.91 miles
Signed:
Yes
Middle Road, Atlantic Avenue, Weeks Street, River Avenue, Division Street
Direction:
East/West
Western Terminus:
Montauk Highway (CR 85) in Sayville
Eastern Terminus:
West Avenue (CR 19) in Patchogue
Distance:
4.72 miles
Signed:
Yes
East Deer Park Road
Direction:
North/South
Southern Terminus:
Northern Parkway and Deer Park Road (NY 231/CR 35) in Dix Hills
Northern Terminus:
Jericho Turnpike (NY 25) in Dix Hills
Distance:
0.92 miles
Signed:
Yes
Vanderbilt Parkway, Motor Parkway
Direction:
East/West
Western Terminus:
Half Hollow Road in Dix Hills
Eastern Terminus:
Rosevale Avenue (CR 93) in Ronkonkoma
Distance:
14.51 miles
Signed:
Yes
Cartwright Road
Direction:
North/South
Southern Terminus:
North Ferry Road (NY 114) on Shelter Island
Northern Terminus:
Ram Island Road on Shelter Island
Distance:
1.43 miles
Old Country Road, Mill Road
Direction:
East/West
Western Terminus:
Montauk Highway (CR 80) in Eastport
Eastern Terminus:
Oneck Lane in Westhampton
Distance:
4.01 miles
Signed:
Yes
Roanoke Avenue
Direction:
North/South
Southern Terminus:
Main Street (NY 25) in Riverhead
Northern Terminus:
Old Country Road (CR 58) in Riverhead
Distance:
1.27 miles
Signed:
Yes
Fire Island Beach Road
Direction:
East/West
Western Terminus:
William Floyd Parkway (CR 46) in Smith Point Park
Eastern Terminus:
Parking fields in Smith Point Park
Distance:
0.50 miles
Signed:
No
Townline Road
Direction:
East/West
Western Terminus:
Smithtown Bypass (NY 347) in Hauppauge
Eastern Terminus:
Nichols Road in Nesconset
Distance:
3.21 miles
Signed:
Yes
West Lake Drive
Direction:
North/South
Southern Terminus:
Montauk Highway (NY 27) in Montauk
Northern Terminus:
Flamingo Avenue (CR 49) in Montauk
Distance:
3.05 miles
Signed:
Yes
Bridgehampton-Sag Harbor Turnpike, Main Street
Direction:
North/South
Southern Terminus:
Montauk Highway (NY 27) in Bridgehampton
Northern Terminus:
Brick Kiln Road in Sag Harbor
Distance:
3.73 miles
Signed:
Yes
Montauk Highway
Direction:
East/West
Western Terminus:
Main Street and Bay Avenue at the Patchogue village line
Eastern Terminus:
Montauk Highway (NY 27A) and Knoll Road in Shinnecock Hills
Distance:
32.50 miles
Signed:
Yes
Higbie Lane, Udall Road
Direction:
North/South
Southern Terminus:
Montauk Highway (NY 27A) in West Islip
Northern Terminus:
Sunrise Highway (NY 27) in West Islip
Distance:
1.62 miles
Signed:
Yes
North Ocean Avenue, Patchogue-Mount Sinai Road
Direction:
North/South
Southern Terminus:
Howard Avenue in Patchogue
Northern Terminus:
NY 25A in Mount Sinai
Distance:
11.55 miles
Signed:
Yes
Montauk Highway
Direction:
East/West
Western Terminus:
Sunrise Highway (NY 27) and Montauk Highway (NY 27A) in Oakdale
Eastern Terminus:
Main Street in Patchogue
Distance:
8.24 miles
Signed:
Yes
Broadway Greenlawn, Centerport Road
Direction:
North/South
Southern Terminus:
Jericho Turnpike (NY 25) in Dix Hills
Northern Terminus:
Main Street (NY 25A) in Centerport
Distance:
3.85 miles
Signed:
Yes
Dune Road
Direction:
East/West
Western Terminus:
West of Jessup Lane in Westhampton Beach
Eastern Terminus:
East of Jessup Lane in Westhampton Beach
Distance:
1.18 miles
Signed:
Yes
Oakwood Road, High Street
Direction:
North/South
Southern Terminus:
Jericho Turnpike (NY 25) in Huntington Station
Northern Terminus:
New York Avenue (NY 110) in Huntington
Distance:
2.89 miles
Signed:
Yes
Lakeland Avenue, Ocean Avenue, Rosevale Avenue
Direction:
North/South
Southern Terminus:
Sunrise Highway (NY 27) in Bohemia
Northern Terminus:
Smithtown Boulevard (CR 16) in Ronkonkoma
Distance:
5.45 miles
Signed:
Yes
Nugent Drive, Center Drive
Direction:
East/West
Western Terminus:
Long Island Expressway (I-495) in Calverton
Eastern Terminus:
Flanders Road (NY 24), Old East Moriches-Riverhead Road (CR 63), Peconic Avenue (CR 63), and Riverleigh Avenue (CR 104) in Riverhead
Distance:
4.57 miles
Signed:
Yes
Center Drive Spur
Direction:
North/South
Southern Terminus:
Nugent Drive (NY 24/CR 94) in Riverhead
Northern Terminus:
Main Street (NY 25) in Riverhead
Distance:
0.15 miles
Signed:
Yes
Bergen Avenue, Great East Neck Road
Direction:
North/South
Southern Terminus:
Dead end at Great South Bay
Northern Terminus:
Little East Neck Road (NY 109) in Babylon
Distance:
2.05 miles
Signed:
Yes
Nicolls Road
Direction:
North/South
Southern Terminus:
Montauk Highway (CR 85) in Blue Point
Northern Terminus:
North Country Road (NY 25A) in Stony Brook
Distance:
14.38 miles
Signed:
Yes
Frowein Road
Direction:
East/West
Western Terminus:
Montauk Highway (CR 80) in Moriches
Eastern Terminus:
Montauk Highway (CR 80) in East Moriches
Distance:
3.03 miles
Signed:
Yes
Woodside Avenue
Direction:
East/West
Western Terminus:
Patchogue-Holbrook Road (CR 19) in Patchogue
Eastern Terminus:
Horse Block Road (CR 16) in South Yaphank
Distance:
6.45 miles
Signed:
Yes
Suffolk Avenue
Direction:
East/West
Western Terminus:
Wicks Road (CR 13) in Brentwood
Eastern Terminus:
Veterans Memorial Highway (NY 454) in Islandia
Distance:
4.80 miles
Signed:
Yes
Patchogue-Yaphank Road, Sills Road
Direction:
North/South
Southern Terminus:
Montauk Highway (CR 80) in East Patchogue
Northern Terminus:
Sills Road and Long Island Avenue in Yaphank
Distance:
5.32 miles
Signed:
Yes
Quogue-Riverhead Road, Riverleigh Avenue
Direction:
North/South
Southern Terminus:
Montauk Highway (CR 80) in Quogue
Northern Terminus:
Nugent Drive (NY 24/CR 94), Flanders Road (NY 24), Old East Moriches-Riverhead Road (CR 63), and Peconic Avenue (CR 63) in Riverhead
Distance:
7.45 miles
Signed:
Yes
Cross River Drive
Direction:
North/South
Southern Terminus:
Quogue-Riverhead Road (CR 104) in Riverhead
Northern Terminus:
Sound Avenue in Northville
Distance:
5.30 miles
Signed:
Yes
Community College Road
Direction:
East/West
Western Terminus:
Crooked Hill Road (CR 13) in Brentwood
Eastern Terminus:
Wicks Road (CR 7) in Brentwood
Distance:
0.47 miles
Old Willets Path
Direction:
North/South
Southern Terminus:
Motor Parkway (CR 67) in Hauppauge
Northern Terminus:
Kings Highway (CR 6) in Hauppauge
Distance:
0.24 miles
Captain Daniel Roe Highway
Direction:
East/West
Western Terminus:
Long Island Expressway (I-495) in Manorville
Eastern Terminus:
Sunrise Highway (NY 27) in Eastport
Distance:
4.77 miles
Signed:
Yes
Johnson Avenue
Direction:
North/South
Southern Terminus:
Sunrise Highway (NY 27) in Bohemia
Northern Terminus:
Veterans Memorial Highway (NY 454) at the entrance to MacArthur Airport
Distance:
1.39 miles
West Neck Road
Direction:
East/West
Western Terminus:
Shore Road (CR 42) on Shelter Island
Eastern Terminus:
North Ferry Road (NY 114) on Shelter Island
Distance:
0.56 miles
Signed:
Yes
Smith Street, North Menantic Road
Direction:
North/South
Southern Terminus:
Midway Road on Shelter Island
Northern Terminus:
West Neck Road (CR 115) on Shelter Island
Distance:
1.18 miles
Signed:
Yes
Burns Avenue
Direction:
East/West
Western Terminus:
Ram Island Road on Shelter Island
Eastern Terminus:
Cartwright Road (CR 69) on Shelter Island
Distance:
0.45 miles
Signed:
Yes

Copyright © 2003-2018 by David Golub. All rights reserved. The author would like to thank William Roll for contributing photographs and LC for contributing documents to this web site. You may not reproduce any text or photographs on this web site without express permission from the author. Hotlinking of images from this site is strictly prohibited. Route symbols based on graphics from Central PA/MD Roads and Wikipedia.