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New York 100 |
Northbound NY 100 reassurance marker in Yonkers.
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| Southern Terminus: | I-87, Yonkers |
| Northern Terminus: | US 202, Somers |
| Length: | 33.27 miles (53.56 km) |
| Orientation: | North-South |
| Counties: | Westchester |
| Cities: | Yonkers |
| Villages: | Briarcliff Manor |
| Towns: | Greenburgh, Mount Pleasant, Ossining, New Castle, Yorktown, Somers |
| Name(s): |
Central Park Ave., Central Ave., Tarrytown Rd., Hillside Ave., Grasslands Rd., Bradhurst Ave., Broadway, Saw Mill River Rd., Croton Tpke., Somerstown Rd. |
| History: |
NY 100's original southern terminus was in Yonkers, but was extended south through The Bronx and into Manhattan in 1934. When the Major Deegan Expressway (I-87) was built and opened in 1956, NY 100 was truncated back to its original southern end.
At the north end, NY 100 swapped its alignment with NY 118 in 1939 and was extended north to Croton Falls. The northern terminus would be moved to its current location around 1990. |
1940 Sinclair Rand McNally New York map showing |
1952 Sunoco Rand McNally New York map showing the NY 100 alignment, overlapped with NY 22, in The Bronx. NY 100 is shown on this map with a southern terminus at the 145th Street Bridge. |
About |
Junction List |
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Links |
| Mile | Desc. | NORTH
 (Read Down) |
SOUTH
(Read Up) |
| . | . |
 |
. |
| 0.00 | INT (ST) |
  (Exit 4) /
 |
|
| 1.03 | INT |
 |
|
| 1.11 | INT | . |
 |
| . |
 (Douglas Kerr, 09/05/2004) |
||
| 1.72 | INT |
 |
|
 (Mark Sinsabaugh, 03/19/2023) |
 (Douglas Kerr, 09/05/2004) |
||
| 4.21 | . | . | |
| 6.89 | JCT |
 (ST) |
|
 (Mark Sinsabaugh, 03/19/2023) |
|||
| 7.72 | . |  |
. |
| 8.48 | . | . | |
| 8.48 | JCT |
EAST
 |
|
| . | MP |
 |
. |
| 8.79 | INT |
 (Exit 5) |
. |
 (Mark Sinsabaugh, 05/15/2022) |
|||
| . | MP | . |
 |
| 9.10 | JCT |
WEST
|
|
 (Mark Sinsabaugh, 05/15/2022) |
|||
| 12.26 | JCT |
(NT) /
 (ET) |
|
 (Douglas Kerr, 11/28/2004) |
. | ||
| 13.62 | JCT |
 TO SOUTH
|
|
| 13.78 | JCT |
|
|
| 14.85 | JCT |
NORTH
 |
|
| . |
 (Douglas Kerr, 11/28/2004) |
||
| . | MP |
 |
. |
| . | MP | . |
 |
| 15.02 | INT |
SOUTH
 /
(ST) |
|
 (Douglas Kerr, 11/28/2004) |
. | ||
| . | MP |
 |
. |
| 16.15 | INT |
 |
|
 (Mark Sinsabaugh, 03/19/2023) |
. | ||
| 17.08 | . |  |
. |
| . | MP | . |
 |
| 18.13 | INT |
NORTH
|
|
| 19.08 | . | . | |
| 20.71 | JCT |
WEST
 /
 (Exit 8) |
|
 (Douglas Kerr, 11/28/2004) |
 (C.C. Slater, 10/04/2006) |
||
| . | MP |
 |
. |
| . | MP | . |
 |
| 21.10 | JCT |
EAST
|
|
| . |
 (C.C. Slater, 10/04/2006) |
||
| 21.56 | JCT |
 (NT) |
|
 (Douglas Kerr, 11/28/2004) |
. | ||
| 23.23 | JCT |
 (ET) |
|
 (Douglas Kerr, 11/28/2004) |
. | ||
| 24.94 | JCT |
 (ST) |
|
 (Douglas Kerr, 11/28/2004) |
. | ||
| 29.30 | JCT |
 |
|
| . |
 (Douglas Kerr, 12/30/2005) |
||
| 29.88 | JCT |
 (ST) |
|
 (Douglas Kerr, 11/28/2004) |
 (Mark Sinsabaugh, 04/02/2022) |
||
| 32.35 | JCT |
 (NT) |
|
 (Douglas Kerr, 11/28/2004) |
. | ||
| 33.27 | JCT (NT) |
 |
|
 (Douglas Kerr, 11/28/2004) |
. | ||
| . | . | . |
|
About |
Junction List |
Photos/Videos |
Links |
|
No photos have been submitted.
If you have photos to submit, please contact us. |
About |
Junction List |
Photos/Videos |
Links |
|
Alps Roads (Steve Alpert) East Coast Roads (David Golub) Wikipedia: New York 100 |
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Page Created: August 19, 2006 | Page Updated: March 25, 2023