 NY 287 was extended southwestward to Floyd in the early 1950s, replacing a portion of NY 46A on Koenig Road between River Road (NY 49) and NY 365.It was realigned again by 1954 to follow NY 365 past Koenig Road into Rome but truncated back to its original western terminus in Barneveld in the late 1950s.On January 1, 1970, the NY 12C and NY 287 designations were eliminated and replaced with an extended NY 365 from Holland Patent to Ohio.