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New York 347 (Happague to Mt. Sinai, 1966-Present) |
Westbound NY 347 reassurance marker near Stony Brook.
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| Western Terminus: | NY 454 /Northern State Parkway, Happague |
| Eastern Terminus: | NY 25A, Mount Sinai |
| Length: | 14.48 miles (23.31 km) |
| Orientation: | East-West |
| Counties: | Suffolk |
| Cities: | None |
| Villages: | Lake Grove |
| Towns: | Smithtown, Islip, Brookhaven |
About |
Junction List |
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| Mile | Desc. | EAST
 (Read Down) |
WEST
(Read Up) |
| . | . |
 |
. |
| 0.00 | JCT (WT) |
WEST
 /
 (ET)
| |
| . |
 (Douglas Kerr, 12/26/2004) |
||
| . | MP |
 |
. |
| . | MP | . |
 |
| 2.19 | JCT |
EAST
|
|
 (Douglas Kerr, 08/15/2009) |
 (Mark Sinsabaugh, 03/19/2023) |
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| 3.00 | JCT |
 |
|
 (Mark Sinsabaugh, 03/18/2023) |
 (Mark Sinsabaugh, 03/19/2023) |
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| 6.91 | JCT |
 |
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 (Douglas Kerr, 01/01/2010) |
 (Douglas Kerr, 01/03/2010) |
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| 7.54 | . |  |
. |
| 9.14 | . | . | |
| 13.44 | JCT |
 |
|
 (Mark Sinsabaugh, 03/18/2023) |
 (Douglas Kerr, 12/23/2006) |
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| 14.48 | JCT (ET) |
 |
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 (Mark Sinsabaugh, 03/18/2023) |
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| . | . | . |
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About |
Junction List |
Photos/Videos |
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|
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) New York State Roads (Valerie Deane) NYC Roads: North Shore Expressway (Steve Anderson) Wikipedia: New York 347 |
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 (1930-34) |
(1934-52) |
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Page Created: July 18, 2006 | Page Updated: March 26, 2023