 Prior to the 1930s, the NY 254 designation was used for a portion of highway running between Bristol and Lakeville.This portion was later redesignated U.S. Route 20A
Warren Street in Glens Falls, Lower Warren Street in Queensbury, and River Street in Hudson Falls were originally designated as part of NY 30 in 1924.In late 1926, the U.S. Highway System was created.