List of numbered state highways in New York

This is a list of numbered state highways in the U.S. state of New York. Signed state highways in New York, referred to as "touring routes" by the New York State Department of Transportation, are numbered from 1 to 899. A large number of unsigned state highways, known as "reference routes", are numbered from 900 to 999 and often have a suffix. 
Routes 900–999.
The 900 through 999 designations are reserved for reference routes, which are unsigned state-maintained highways of varying length. Four of these routes have been incorrectly signed as touring routes. These cases are listed below.