# List of former state routes in New York (51–100)

This section of the list of former state routes in New York contains all routes numbered between 51 and 100.
| Route | Southern or western terminus | Northern or eastern terminus | Formed | Removed |
| NY 51 (1920s-1930) | NY 17 in Deposit | NY 23 in Stamford | mid-1920s | 1930 |
| NY 52 (1920s-1930) | NY 36 in Dansville | NY 14 near Geneva city | mid-1920s | 1930 |
| NY 53 (1920s-1930) | NY 13 in Horseheads | NY 15 in Candor | mid-1920s | 1930 |
| NY 54 (1920s-1930) | NY 5 / NY 12 in Utica | NY 5 in Fonda | mid-1920s | 1930 |
| NY 55 (1920s-1930) | New Jersey state line near Greenwood Lake | NY 17 in Goshen | late 1920s | 1930 |
| NY 56A | US 11 in Potsdam | NY 56 in Norfolk | 1930 | 1980 |
| NY 57 | US 11 in Syracuse | NY 104 in Oswego | 1927 | 1982 |
| NY 58 (1920s-1930) | NY 17 in Harriman | NY 10 in Newburgh | mid-1920s | 1930 |
| NY 59A | NY 304 in Clarkstown | NY 59 in Clarkstown | 1956 | late 1950s |
| NY 61 (1920s-1934) | NY 59 in Suffern | US 9W in West Haverstraw | late 1920s | 1934 |
| NY 61 (1934-1940s) | NY 129 at Croton Reservoir | US 9 in Peekskill | 1934 | late 1940s |
| NY 62 (1920s-1930) | NY 17 in Amity | Lake Ontario shoreline in Yates | mid-1920s | 1930 |
| NY 62 (1930-1932) | NY 98 in Great Valley | NY 18 in Buffalo | 1930 | ca. 1932 |
| NY 62A | NY 104 in Niagara Falls | US 62 in Niagara Falls | 1970s | 2006 |
| NY 63A | NY 63 in Angelica | NY 63 in Nunda | 1930 | early 1940s |
| NY 64 (1920s-1930) | NY 51 in Delhi | NY 7 in Oneonta | mid-1920s | 1930 |
| NY 70 (1920s-1930) | US 11 in Homer | US 20 in Skaneateles | mid-1920s | 1930 |
| NY 70A | NY 70 in Burns | NY 36 in Dansville | ca. 1931 | mid-1970s |
| NY 72 (1920s-1930) | NY 52 in Naples | Lake Road in Pultneyville | mid-1920s | 1930 |
| NY 72A | NY 56 in Potsdam | NY 72 in Hopkinton | 1930 | early 1940s |
| NY 74 (1920s-1930) | US 20 in Sheldon | Roosevelt Highway in Carlton | mid-1920s | 1930 |
| NY 74 (1930-1973) | Pennsylvania state line at French Creek | NY 17J near Lakewood | 1930 | ca. 1973 |
| NY 75 (1930-1932) | NY 426 in Mina | NY 17 / NY 17J in Mayville | 1930 | ca. 1932 |
| NY 76 (1927-1930) | US 11 in Mexico | NY 5 / NY 12 / NY 28 in Utica | 1927 | 1930 |
| NY 77A | Tonawanda Indian Reservation boundary in Alabama | NY 77 in Alabama | ca. 1935 | late 1930s |
| NY 78 (1927-1930) | NY 14 in Watkins Glen | US 20 / NY 5 near Geneva | ca. 1927 | 1930 |
| NY 78A | NY 78 in East Aurora | NY 35 in Lancaster | ca. 1932 | ca. 1938 |
| NY 82A | US 44 in Amenia | NY 82 in Pine Plains | 1930 | 1980 |
| NY 84 | NJ 84 at the New Jersey state line at Minisink | NY 17K in Montgomery | 1930 | 1966 |
| NY 86A | NY 86 in Lake Placid | US 9 in Elizabethtown | 1930 | 1952 |
| NY 87 | US 11 in De Kalb | NY 37 in Ogdensburg | 1930 | 1978 |
| NY 89A | US 20 / NY 5 in Seneca Falls | NY 89 in Tyre | early 1950s | late 1950s |
| NY 94 (1930-early 1940s) | NY 17 in Portville | NY 19 in Belfast | 1930 | early 1940s |
| NY 94 (early 1940s-1949) | New Jersey state line at Chestnut Ridge | US 202 in Haverstraw | early 1940s | 1949 |
| NY 96 (1930-early 1940s) | US 4 / NY 7 in Troy | MA 2 at the Massachusetts state line at Petersburgh | 1930 | early 1940s |
| NY 99 | NY 30 in Duane | NY 3 in Franklin | 1930 | 1994 |