NY 140 initially followed Kenwood Avenue from the center of Slingerlands to Delmar when it was assigned in the mid-1930s; however, the route was altered to bypass Slingerlands in the mid-1970s.
Initially, NY 140 traveled along Kenwood Avenue from the heart of Slingerlands to Delmar during its designation in the 1930s. However, by the mid-1970s, the route was redirected to bypass Slingerlands.