High Quality Content by WIKIPEDIA articles! New York State Route 311 (NY 311) is a state highway located entirely within Putnam County, New York, United States. The highway begins at NY 52 in Lake Carmel, and intersects Interstate 84 (I-84) shortly thereafter. It crosses NY 164 and NY 292 as it heads into the northeastern part of the county, finally curving east to reach its northern terminus at NY 22 just south of the Dutchess County line. The route passes several historical sites.