Wikipedia talk:WikiProject U.S. Roads/Idaho/All-time list

unnumbered on 1953 map (italicized means no known number and no longer a state highway in 1962):
 * 54
 * 55 (removed 1955-10)
 * 56 (removed 1955-10)
 * 57
 * Eastport-Addie (Moyie River Road?)
 * 3
 * 66
 * Orofino-Whiskey Creek Road (mentioned in 1953)
 * 70
 * 52A
 * 18
 * 69
 * Kuna-Nampa Road (mentioned in 1954)
 * Kuna-Regina
 * 79
 * 76 (removed 1954-12)
 * Gannett-west (not 22/68)
 * Triumph Mine Road, Gimlet-northeast (removed 1953-07)
 * 75
 * 29
 * Idaho Central Highway, Spencer-Macks Inn (removed 1953-07)
 * 49
 * 80
 * Shelley-north
 * Ammon Spur, Idaho Falls-Ammon (removed 1953-01)
 * branch to south
 * 61
 * 35
 * 86
 * 73 (removed 1953-11)
 * 77
 * Thain Road south from Lewiston was removed in 1953-07 but does not appear on 1953 map