New York State Route 403

New York State Route 403 marker
New York State Route 403
Cat Rock Road
Map
Map of Putnam County in southeastern New York with NY 403 highlighted in red
Route information
Maintained by NYSDOT
Length2.27 mi[1] (3.65 km)
Existedmid-1930s[2][3]–present
Major junctions
South end US 9 in Philipstown
North end NY 9D in Philipstown
Location
CountryUnited States
StateNew York
CountiesPutnam
Highway system
NY 402 NY 404

New York State Route 403 (NY 403) is a 2.27-mile-long (3.65 km) state highway located entirely within Putnam County. It connects NY 9D in Philipstown at its northern end to US 9 in the hamlet of Graymoor, where the Appalachian Trail crosses both highways. At that intersection, NY 403 is signed as a route to the Bear Mountain Bridge. Half of its length is uphill going south.

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