The following 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 carry a suffix. Four reference routes have been erroneously signed as touring routes and as such are listed on this page.