Wikipedia:WikiProject U.S. Roads/New York/Resources/Notes by county/Suffolk

Relevant laws

 * 1921 ch. 18 (initial codification)
 * 1925 ch. 122
 * 1925 ch. 330 (complete recodification)
 * 1926 ch. 726
 * 1928 ch. 597 (authorized abandonments)
 * 1929 ch. 220
 * 1930 ch. 383
 * 1931 ch. 391 (added an exchange)
 * 1936 ch. 63 (complete recodification)
 * 1938 ch. 245
 * 1942 ch. 356 (typo correction)
 * 1953 ch. 434
 * 1953 ch. 440
 * 1954 ch. 244
 * 1955 ch. 539
 * 1957 ch. 133
 * 1957 ch. 340
 * 1963 ch. 773
 * 1965 ch. 263
 * 1966 ch. 514
 * 1967 ch. 209
 * 1968 ch. 561
 * 1968 ch. 592 (complete recodification)
 * 1970 ch. 188
 * 1971 ch. 865 (added an exchange)
 * 1984 ch. 246

Early abandonments
authorized by 1928 ch. 597:
 * 1218 Huntington Town Line-Farmingdale, part one 1.10 (Melville Road from Broad Hollow Road southwest to Nassau County)
 * 1219 Huntington-Amityville, part two 0.10 (was this a wye connection to SH 1218?)