# List of former state routes in New York (301–400)

This section of the list of former state routes in New York contains all routes numbered between 301 and 400.
| Route | Southern or western terminus | Northern or eastern terminus | Formed | Removed |
| NY 305 (1930-early 1940s) | New Jersey state line at Chestnut Ridge | US 202 in Haverstraw | 1930 | early 1940s |
| NY 307 | NY 32 in Cornwall | NY 218 in Cornwall | 1930s | 1980 |
| NY 310 (1930s-1960s) | NY 85A in Voorheesville | US 20 in Guilderland | 1930s | mid-1960s |
| NY 312 (1930–1937) (1930-1937) | NY 52 in Patterson | NY 22 in Patterson | 1930 | ca. 1937 |
| NY 314 (1930-1950s) | NY 7 in Schenevus | Westford | 1930 | mid-1950s |
| NY 317 (1930-early 1940s) | NY 28 in Newport | Norway | 1930 | early 1940s |
| NY 317 (early 1940s-1980) | NY 7 in Troy | NY 142 in Brunswick | early 1940s | 1980 |
| NY 318 (1931-1950s) | NY 12D in Leyden | NY 12 in Port Leyden | ca. 1931 | late 1950s |
| NY 319 | Chenango CR 4 / CR 10 / CR 19 in Preston | NY 12 in Norwich | 1930 | 1984 |
| NY 323 | NY 249 in Brant | NY 5 in Evans | 1930 | 1980 |
| NY 324 (1932-1933) | East Eden | US 62 in Hamburg | ca. 1932 | ca. 1933 |
| NY 325 (1932-1933) | NY 96 in Ithaca | Taughannock Falls State Park in Ulysses | ca. 1932 | ca. 1933 |
| NY 328A | PA 549 at the Pennsylvania state line at Southport | NY 328 in Southport | 1930 | ca. 1935 |
| NY 330 | 76 Road in Caroline | NY 79 in Dryden | ca. 1931 | 1980 |
| NY 333 | Steuben CR 11 / CR 24 in Thurston | NY 415 in Campbell | 1930 | 1997 |
| NY 337 (1930-1933) | NY 41 in Spafford | NY 174 in Marcellus | 1930 | ca. 1933 |
| NY 337 (1935-1972) | NY 12D / NY 26 in West Turin | NY 12 in Lyons Falls | ca. 1935 | ca. 1972 |
| NY 338 (1930s) | NY 248 in Whitesville | Pennsylvania state line | ca. 1931 | ca. 1939 |
| NY 338 (1940s-1980) | NY 29 in Northumberland | US 4 / NY 32 in Schuylerville | 1940s | 1980 |
| NY 338 (1980-1996) | NY 40 in Argyle | NY 29 in Greenwich | 1980 | 1996 |
| NY 339 (1932-1937) | NY 17 in Ramapo | US 202 in Suffern | ca. 1932 | ca. 1937 |
| NY 339 | NY 50 in Ballston | NY 146A in Ballston | by 1946 | early 1970s |
| NY 341 (early 1930s-1934) | NY 22 in Dover | CT 55 at the Connecticut state line at Dover | early 1930s | ca. 1934 |
| NY 341 | NY 22 / NY 55 in Pawling | Connecticut state line at Pawling | ca. 1934 | 1940s |
| NY 342 (1930-1940s) | NY 23 in Gilboa | Schoharie CR 18 in Conesville | 1930 | late 1940s |
| NY 347 (1930-1934) | NY 22 in Crown Point | VT 17 at the Vermont state line at Crown Point | 1930 | ca. 1934 |
| NY 347 (1934-1952) | NY 22 in Ticonderoga | Ferry landing in Ticonderoga | ca. 1934 | 1952 |
| NY 348 | NY 22 in Chazy | US 9 in Chazy | 1930 | 1980 |
| NY 351 (1931-1970s) | NY 436 in Portage | NY 408 in Nunda | ca. 1931 | mid-1970s |
| NY 352 (1931-1938) | NY 25A in Riverhead | Wildwood State Park west entrance | ca. 1931 | ca. 1938 |
| NY 355 (1930-1937) | NY 33 in Cheektowaga | NY 5 in Williamsville | 1930 | ca. 1937 |
| NY 356 | NY 265 in City of Tonawanda | NY 270 in Amherst | 1930 | 1988 |
| NY 357 (1933-1940s) | Letchworth State Park | NY 39 in Castile | ca. 1933 | early 1940s |
| NY 358 | US 20A in Wales | US 20 in Alden | 1930 | 1982 |
| NY 359 (1930-early 1940s) | NY 77 in Royalton | US 104 in Hartland | 1930 | early 1940s |
| NY 360 | NY 272 in Hamlin | NY 19 in Hamlin | ca. 1931 | 2012 |
| NY 361 (1931-1935) | Blaine | NY 5S in Canajoharie | ca. 1931 | 1935 |
| NY 361 | CT 361 at the Connecticut state line at North East | US 44 in Millerton | 1935 | 1980 |
| NY 363 (1930-1931) | Blaine | NY 5S in Canajoharie | 1930 | ca. 1931 |
| NY 363 (1932-1950s) | NY 15A in Mendon | NY 65 in Honeoye Falls | ca. 1932 | late 1950s |
| NY 365 (1930-early 1930s) | NY 17 in Big Flats | Chambers Road / Cowan Road in Catlin | 1930 | by 1932 |
| NY 368 | NY 321 in Elbridge | NY 5 in Elbridge | 1930s | 1980 |
| NY 376 (1930-1933) | NY 32 in Esopus | NY 213 in Rosendale | 1930 | 1933 |
| NY 379 | NY 14 in Southport | NY 427 in Southport | ca. 1931 | 1978 |
| NY 380 | NY 60 in Gerry | NY 5 near Brocton | 1930 | 1980 |
| NY 381 | NY 43 in Rensselaer | US 4 in East Greenbush | ca. 1938 | late 1960s |
| NY 382 | NY 17 in Red House | Allegany State Park west boundary in Red House | ca. 1932 | early 1970s |
| NY 383 (1930-1935) | NY 93 in Akron | NY 5 in Akron | 1930 | ca. 1935 |
| NY 383 (1935-early 1940s) | NY 26 / NY 79 in Whitney Point | NY 12 / NY 41 in Greene | ca. 1935 | early 1940s |
| NY 383B | NY 47 / NY 383 in Rochester | NY 383 in Penfield | early 1940s | late 1940s |
| NY 385 (1930-1932) | NY 31 in Murray | NY 18 in Kendall | 1930 | ca. 1932 |
| NY 388 | NY 33 in West Walworth | NY 35 in West Walworth | ca. 1931 | early 1940s |
| NY 389 | NY 14A / NY 245 southwest of Geneva | US 20 / NY 5 west of Geneva | ca. 1931 | early 1940s |
| NY 390 (1930-1960s) | US 20 / NY 5 / NY 414 in Seneca Falls | NY 318 in Tyre | 1930 | mid-1960s |
| NY 390A | US 20 / NY 5 in Seneca Falls | NY 89 on Tyre – Seneca Falls town line | 1930s | late 1950s |
| NY 392 (1936-1970s) | NY 79 in Ithaca | NY 366 in Dryden | ca. 1936 | mid-1970s |
| NY 393 | NY 13 in Ithaca | Game Farm Road on Ithaca–Dryden town line | ca. 1933 | mid-1960s |
| NY 394 (1930–1935) (1930-1935) | NY 361 in Canajoharie | NY 162 in Root | 1930 | ca. 1935 |
| NY 394 (1936–1967) (1936-1967) | NY 137 in Pound Ridge | CT 29 at the Connecticut state line at Pound Ridge | ca. 1935 | 1967 |
| NY 398 | NY 9J in Stuyvesant | US 9 in Stuyvesant | ca. 1932 | 1980 |
| NY 399 | NY 29 in Johnstown | NY 29A in Johnstown | 1935 | by 1961 |
| NY 400 | US 9 in Stockport | Stockport | 1930s | by 1935 |
| NY 400 | NY 9H in Kinderhook | NY 203 in Valatie | by 1935 | early 1950s |