Wikipedia:WikiProject U.S. Roads/Wyoming/1920s numbers

These were apparently numbered in 1922. Only WYO 65 and WYO 70 remained in 1937.

• WYO 10, Utah to Nebraska
  • Became US 30S and US 30
• WYO 11, Colorado to Montana
  • Became US 85, US 185, US 20, and US 310
• WYO 12, Montana to South Dakota
  • Became US 87E, US 116, and US 16
• WYO 13, Worland to South Dakota
  • Became US 16, WYO 216, and US 85
• WYO 15, Rock Springs to Moran
  • Became US 187
• WYO 22, Upton to Sundance (not on the 1926 Rand Mcnally)
  • Became WYO 116
• WYO 25, Granger to Jackson
  • Became US 30N, WYO 89, and WYO 22
• WYO 26, Yellowstone to Greybull
  • Became US 20
• WYO 28, Crowheart to Riverton
  • Became US 87W
• WYO 30, Cheyenne to Newcastle
  • Became US 85
• WYO 31, Dwyer to Nebraska
  • Became US 26
• WYO 35, Kemmerer to Daniel
  • Became WYO 287
• WYO 36, Cody to Deaver
  • Became US 420
• WYO 40, Colorado to Cheyenne
  • Became US 87
• WYO 41, Orin to Nebraska
  • Became US 20
• WYO 50, Colorado to Laramie
  • Became US 285
• WYO 60, Bosler to Wheatland
  • Became WYO 26
• WYO 65, Evanston to Utah
  • Remained WYO 65
• WYO 70, Walcott to Laramie
  • Remained WYO 70
• WYO 71, Lamont to Sheridan
  • Became US 87E
• WYO 80, Yellowstone to Rawlins
  • Became US 87W, ?, US 87W, and US 87
• WYO 81, Lander to Shoshoni
  • Became US 87W and US 320
• WYO 91, Meeteetse to Cody
  • Became WYO 420

Other post-1926 routes

• WYO 116, Lovell to Ranchester
• WYO 185, Douglas to Gillette
• WYO 416, Greybull to Burgess Junction
• WYO 420, Meeteetse to Thermopolis