The Southern State Parkway runs along the southern portion of Long Island, connecting to the Belt Parkway system in New York City. It is extended via the Heckscher State Parkway to Hecksher State Park. The location of the name change is not clear; some documentation has it at the Sagtikos State Parkway, but signage changes at NY 27.

Mile Eastbound Westbound Notes
Nassau County
Speed Limit 50
0.0 Southern Parkway east Belt Parkway West
Brooklyn
Interchange is on the border of Queens
0.0 Cross Island Parkway North
Whitestone Bridge
Interchange is on the border of Queens
0.5 Exit 13S
Central Avenue South
0.5 Exit 13N
Linden Boulevard North
Exit 13
Central Avenue
Linden Boulevard
Speed Limit 55 Speed Limit 50
1.1 State Police
1.5 Exit 14
North Fletcher Avenue
Valley Stream
Elmont
1.9 Exit 15A
Valley Stream State Park
2.2 Exit 15
Corona Avenue
Franklin Avenue
Exit 15S
Corona Avenue South
2.2 Exit 15N
Corona Avenue North
2.3 Exit 16
Franklin Avenue
3.5 Exit 17S
Hempstead Avenue South
Malverne
3.5 Exit 17N
Hempstead Avenue North
Hempstead
4.7 Exit 18
Eagle Avenue
5.3 Exit 19S
Peninsula Boulevard South
Rockville Center
5.3 Exit 19N
Peninsula Boulevard North
Hempstead
6.3 Exit 20S
Grand Avenue South
6.3 Exit 20N
Baldwin Road North
7.4 Exit 21
Nassau Road
Hempstead
Freeport
8.6 Exit 22S
Meadowbrook Parkway South
Jones Beach
8.6 Exit 22N
Meadowbrook Parkway North
Mineola
9.0 Exit 23
Meadowbrook Road
9.3 Exit 24S
Merrick Avenue South
Merrick
9.3 Exit 24N
Merrick Avenue North
Westbury
10.3 Exit 25S
NY 106 South
Bellmore
10.3 Exit 25N
NY 106 North
East Meadow
11.0 Exit 26
Bellmore Road
11.8 Exit 27S
Wantagh Parkway South
Jones Beach
11.8 Exit 27N
Wantagh Parkway North
Westbury
12.5 Exit 28S
Wantagh Avenue South
Wantagh
12.5 Exit 28N
Wantagh Avenue North
Levittown
13.3 Exit 28A S
NY 135 South
Seaford
13.3 Exit 28A N
NY 135 North
Syosset
13.7 Exit 29
NY 107
Hicksville
Massapequa
Exit 29S
NY 107 South
Massapequa
13.7 Exit 29N
NY 107 North
Hicksville
14.9 Exit 30S
Broadway South
Massapequa
14.9 Exit 30N
Broadway North
Farmingdale
15.3 Exit 31
Bethpage Parkway North
Linden Street
Exit 31
Bethpage Parkway North
Bethpage State Park
Suffolk County Nassau County
16.6 Exit 32S
NY 110 South
Amityville
16.6 Exit 32N
NY 110 North
Huntington
18.0 Exit 33
NY 109 East
Babylon
Exit 33
NY 109 West
Farmingdale
18.1 Exit 34
New Highway North
Exit 34
New Highway
CR 28
18.8 Exit 35
CR 3
Wellwood Avenue
Pinelawn
Lindenhurst
19.9 Exit 36S
CR 2 South
Straight Path
Lindenhurst
19.9 Exit 36N
CR 2 North
Straight Path
Wyandanch
21.5 Exit 37S
Belmont Avenue South
West Babylon
21.5 Exit 37N
Belmont Avenue North
21.9 Exit 38
Belmont Lake State Park
22.8 Exit 39S
NY 231 South
Babylon
22.8 Exit 39N
NY 231 North
Deer Park
24.6 Exit 40
Robert Moses Causeway South
Ocean Beach
24.8 Exit 41S
Bay Shore Road South
Bay Shore
24.8 Exit 41N
Bay Shore Road North
Deer Park
25.5 Exit 41A
Sagtikos Parkway North
Sunken Meadow Park
26.3 Exit 42S
CR 13 South
Fifth Avenue
Bay Shore
26.3 Exit 42N
CR 13 North
Fifth Avenue
Brentwood
29.3 Exit 43S
NY 111 South
Islip
29.3 Exit 43N
NY 111 North
Hauppauge
30.0 Exit 43A
CR 17
East Islip
Central Islip
31.4 Exit 44W
NY 27 West
New York
31.4 Exit 44E
NY 27 East
Monauk
Heckscher Parkway south Southern Parkway west Some sources say the transition happens at the Sagtikos State Parkway interchange.
32.2 Exit 45W
NY 27A West
East Islip
32.2 Exit 45E
NY 27A East
Eastern Long Island
33.4 Exit 46
Timber Point Road
East Islip
Great River
Last Exit
33.6 Heckscher State Park
Fee Booth
Heckscher Parkway north
Speed Limit 55
Suffolk County

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