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

Relevant laws

 * 1921 ch. 18 (initial codification)
 * 1924 ch. 80
 * 1925 ch. 330 (complete recodification)
 * 1928 ch. 597 (authorized abandonments)
 * 1930 ch. 313
 * 1931 ch. 376
 * 1932 ch. 298
 * 1934 ch. 647
 * 1935 ch. 424
 * 1935 ch. 503
 * 1936 ch. 63 (complete recodification)
 * 1937 ch. 491
 * 1942 ch. 273
 * 1958 ch. 457
 * 1962 ch. 942
 * 1963 ch. 182
 * 1968 ch. 592 (complete recodification)
 * 1979 ch. 297 (effective April 1, 1980; added an exchange)

Early abandonments
authorized by 1928 ch. 597:
 * 1152 Smith Corners-Stockport Dock 1.18 (Alvords Dock Road north of Stockport)
 * 1112 Stockport Station-Stockport 1.10 (Station Road west of US 9 near Stockport)
 * 1113 Germantown-Clermont 0.40 (Main Street west of NY 9G in Germantown)
 * 540 Chatham-Spencertown 0.60 (Hogel Hill Road from North Cross Road (old NY 203) northwest to Chatham village line)

directed by 1932 ch. 298:
 * Germantown-Clermont, being CH 1113 in the town of Germantown (former NY 298)
 * end changed to "in the towns of Germantown and Clermont" by 1942 ch. 273
 * all that portion of CH 1331, Claverack-Chatham, part one, lying and being between the hamlet of Mellonville and the town line between the towns of Claverack and Ghent, all in the town of Claverack (former NY 66)
 * all that portion of CH 1332, Claverack-Chatham, part two, in the town of Ghent, lying and being between the town line of Claverack and the point where the aforesaid Hudson-Brick Tavern-Ghent highway intersects CH 1332 (former NY 66)
 * all that portion of CH 1112 in the town of Stockport, lying between Stockport and SH 5103 (former NY 400)