Highways

Suffolk County maintains over 420 miles of County Roads, 140 bridges, culverts and miscellaneous structures, 300 waterways and operates 730 traffic signals.

The Division's Goals
  1. Obtain for the County the best highway system at the least possible cost.
  2. Preserve, protect and improve the environment and its ecology by careful planning of all Public Works projects.
  3. Secure for the County the maximum benefit from the federal funds that are available for Public Works projects.
  4. Provide for the health, safety and welfare of the people of Suffolk County as they may relate to all Public Works projects.

Suffolk County Maintained Roads

CR# ROAD NAME(S)
57 BAY SHORE ROAD / THIRD AVENUE
79 BRIDGEHAMPTON SAG HARBOR TURNPIKE
86 BROADWAY GREENLAWN ROAD/ CENTERPORT ROAD
117 BURNS AVENUE
17 CARLETON AVENUE/ WHEELER ROAD
69 CARTWRIGHT ROAD
94A CENTER DRIVE SPUR
13A CLINTON AVENUE
4 COMMACK ROAD
106 COMMUNITY COLLEGE DRIVE/ G ROAD
1 COUNTY LINE ROAD
105 CROSS RIVER DRIVE
34 DEER PARK AVENUE
66 DEER PARK AVENUE EAST
35 DEER PARK ROAD/ PARK AVENUE
2 DIXON AVENUE / STRAIGHT PATH
89 DUNE ROAD EXTENSION
51 EAST MORICHES RIVERHEAD ROAD
55 EASTPORT MANORVILLE ROAD
49 EDGEMERE STREET / FLAMINGO AVENUE
10 ELWOOD ROAD
13 FIFTH AVENUE / CROOKED HILL ROAD
75 FIRE ISLAND BEACH ROAD
39A FLYING POINT ROAD
98 FROWEIN ROAD
90 FURROW'S ROAD / PECONIC AVENUE
96 GREAT EAST NECK ROAD
47 GREAT NECK ROAD/ MAIN STREET
82 HIGBIE LANE / UDALL'S ROAD
54 HULSE LANDING ROAD
14 INDIAN HEAD ROAD
112 JOHNSON AVENUE
6 KINGS HIGHWAY / RABRO DRIVE
59 LONG LANE
116 MENANTIC ROAD/ SMITH STREET
48 MIDDLE ROAD
65 MIDDLE ROAD/ ATLANTIC AVENUE/ WEEKS STREET/ RIVER AVENUE/ DIVISION STREET
80 MONTAUK HIGHWAY
85 MONTAUK HIGHWAY
67 MOTOR PARKWAY
28 NEW HIGHWAY
62 NEWTOWN ROAD
97 NICOLL'S ROAD
83 NORTH OCEAN AVENUE / PATCHOGUE-MOUNT SINAI ROAD
39 NORTH ROAD
38 NORTH SEA ROAD
43 NORTHVILLE TURNPIKE
60 NOYACK BAY BEACH ROAD/ LONG BEACH ROAD/ SHORT BEACH ROAD
94 NUGENT DRIVE / CENTER DRIVE
12 OAK STREET / HOFFMAN AVENUE
92 OAKWOOD ROAD/ HIGH STREET
93 OCEAN AVENUE / LAKELAND AVENUE / ROSEVALE AVENUE
58 OLD COUNTRY ROAD
71 OLD COUNTRY ROAD / MILL ROAD
63 OLD EAST MORICHES RIVERHEAD ROAD
39B OLD NORTH HIGHWAY
31 OLD RIVERHEAD ROAD
108 OLD WILLET'S PATH
32 PONQUOGUE AVENUE
111 PORT JEFFERSON-WESTHAMPTON ROAD
11 PULASKI ROAD
104 QUOGUE RIVERHEAD ROAD
73 ROANOKE AVENUE
52 SANDY HOLLOW ROAD
42 SHORE ROAD
101 SILLS ROAD / PATCHOGUE-YAPHANK ROAD
50 SIMON STREET / JOHN STREET / UNION BLVD.
36 SOUTH COUNTRY ROAD
41 SPRINGS FIREPLACE ROAD
100 SUFFOLK AVENUE
16 TERRY ROAD / PORTION ROAD / HORSEBLOCK ROAD
40 THREE MILE HARBOR ROAD
76 TOWNLINE ROAD
61 WAVERLY AVENUE
3 WELLWOOD AVENUE / PINELAWN ROAD
19 WEST AVENUE/ LAKE STREET/ WAVERLY AVENUE/ PATCHOGUE-HOLBROOK ROAD
77 WEST LAKE DRIVE
115 WEST NECK ROAD
7 WICKS ROAD
46 WILLIAM FLOYD PARKWAY
99 WOODSIDE AVENUE
21 YAPHANK AVENUE / MAIN STREET / ROCKY POINT ROAD