New York State Route 421 (NY 421) is a short state highway located within Adirondack Park in the southeastern corner of St. Lawrence County, New York...

A reference route is an unsigned highway assigned by the New York State Department of Transportation (NYSDOT) to roads that possess a signed name (mainly...

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...

Florida) Georgia State Route 421 (unsigned designation for Interstate 516) New Mexico State Road 421 New York State Route 421 Ohio State Route 421 Puerto Rico...

New York State Route 30 (NY 30) is a state highway in the central part of New York in the United States. It extends for 300.71 miles (483.95 km) from an...

(917.05 km) within the U.S. state of New York. It is operated by the New York State Thruway Authority (NYSTA), a New York State public-benefit corporation...

Designations in New York State (PDF). Archived from the original (PDF) on July 29, 2013. Retrieved August 5, 2015. "Route Changes in State Listed". New York Post...

carries Interstate 278 (I-278) as well as the unsigned highway New York State Route 900G. It connects with the FDR Drive and the Harlem River Drive in...

New York State Route 420 (NY 420) is a north–south state highway in St. Lawrence County, New York, in the United States. The southern terminus of the...

second-longest highway in the state after New York State Route 17 (NY 17). Although most of the route is part of the tolled New York State Thruway, two non-tolled...