New York 9A

Northbound NY 9A reassurance marker near Peekskill.
(Mark Sinsabaugh, 09/17/2005)

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Southern Terminus: I-478, Manhattan
Northern Terminus: US 9, Peekskill
Length: 47.25 miles (76.07 km)
Orientation: North-South
Counties: New York, Bronx, Westchester
Cities: New York, Yonkers, Peekskill
Villages: Ardsley, Elmsford, Briarcliff Manor, Ossining, Croton-On-Hudson, Buchanan
Towns: Greenburgh, Mount Pleasant, Ossining, Cortlandt
Name(s):


 West St., 10th Ave., 11th Ave., 12th Ave., West Side Highway, Henry Hudson Parkway, Broadway, Ashburton Ave., Saw Mill River Rd., Briarcliff-Peekskill Parkway, Croton Point Ave., Riverside Ave., Albany Post Rd.
History:

 NY 9A originally ended at the Briarcliff-Peekskill Parkway. It was extended north to Croton-On-Hudson around 1950, then extended again when the Croton Expressway was opened in 1967.

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Mile Desc. NORTH (Read Down) SOUTH (Read Up)
. . .
0.00 JCT (ST)
1.28 JCT TO
3.87 JCT TO

(Douglas Kerr, 07/05/2009) 		.
5.31 INT
9		 .
5.64 INT
10		 (ST)
.
(Douglas Kerr, 07/05/2009)
. MP .
6.58 INT
11
.
(Douglas Kerr, 07/05/2009)
7.76 INT
12
9.51 INT
13
10.21 INT
14-15		 (Exit 1)
11.80 INT
16		 .
12.07 INT
17
13.04 .
13.04 .
13.37 INT
18
13.65 INT
19
14.07 INT
20
14.42 INT
21
15.11 INT
22
. MP .
15.34 INT
23		 SOUTH / NORTH
. MP .
16.14 .
. MP .
18.19 JCT NORTH
20.24 JCT
21.99 .
23.30 .
23.90 .
24.17 JCT SOUTH (Exit 7)
25.32 .

(Mark Sinsabaugh, 05/15/2022)
25.58 JCT (WT)
27.59 .
28.13 JCT
28.41 JCT (Exit 2)
28.50 . .
29.54 INT (WT)

(Mark Sinsabaugh, 03/19/2023)
30.94 JCT NORTH (Exit 25)

(Mark Sinsabaugh, 03/19/2023)
32.02 INT SOUTH / (ST)

(Mark Sinsabaugh, 03/19/2023)
. MP .
32.28 INT . SOUTH (Exit 26)
33.35 INT

(Mark Sinsabaugh, 03/19/2023)
33.91 INT SOUTH (Exit 5)

(Mark Sinsabaugh, 03/19/2023)
34.21 . .
34.59 INT
. MP .
35.33 INT NORTH

(Douglas Kerr, 01/19/2008)
36.50 .
36.85 INT

(Mark Sinsabaugh, 05/03/2025)
37.17 INT .
37.57 . .
38.20 INT

(Douglas Kerr, 00/00/0000)
(Mark Sinsabaugh, 05/03/2025)
38.92 INT .
39.71 INT SOUTH

(Mark Sinsabaugh, 09/17/2005)
. MP .
39.79 . .
40.36 INT
. MP .
40.94 JCT / (WT)

(Mark Sinsabaugh, 09/17/2005)
41.64 JCT
43.46 . .
43.99 JCT
46.18 . .
47.09 .
47.25 JCT (NT)
. . .

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Alps Roads (Steve Alpert)
East Coast Roads (David Golub)
New York State Roads (Valerie Deane)
New York State Roads: NY 9A Exit Lists (Valerie Deave)
NYC Roads: Briarcliff-Peekskill Parkway (Steve Anderson)
NYC Roads: Henry Hudson Parkway (Steve Anderson)
Wikipedia: New York 9A


Page Created: September 6, 2007 | Page Updated: May 6, 2025