Interstate 99


Southbound I-99 and US 15 reassurance shields in Lindley.
I-99 is duplexed with US 15 for its entire length in New York.
(Mark Sinsabaugh, 06/06/2015)


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Southern Terminus: PA Line at Lindley
Northern Terminus: I-86 / NY 17, Painted Post
Length: 12.89 miles (20.75 km)
Orientation: North-South
Counties: Steuben
Cities: None
Villages: Painted Post
Towns: Lindley, Erwin
Name(s):
History:


Assigned June 27, 2014 to ultimately replace the US 15 designation in the area. Pennsylvania assigned I-99 to US 15 north of Williamsport on July 30, 2026 and will eventually link with the original I-99 alignment which currently ends at I-80 just north of State College.


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Mile Desc.
. .

0.00 JCT

(Douglas Kerr, 10/19/2008)

(Mark Sinsabaugh, 06/23/2012)
. MP .
6.34

(Mark Sinsabaugh, 02/02/2014)

(Mark Sinsabaugh, 02/01/2014)
8.12

(Mark Sinsabaugh, 02/02/2014)

(Mark Sinsabaugh, 02/01/2014)
11.72

(Mark Sinsabaugh, 02/02/2014)

(Mark Sinsabaugh, 02/01/2014)
. MP .
12.59

(Exit 44)

(Mark Sinsabaugh, 02/02/2014)

(Mark Sinsabaugh, 06/06/2015)
. . .


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No photos have been submitted.

If you have photos to submit, please contact us.


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Page Created: October 25, 2006| Page Updated: August 2, 2026