Wikipedia:WikiProject U.S. Roads/Utah/Useful newspaper articles
- 1923
- Utah Highways to be Marked (with ACSC "Blue and White markers"; not sure if they posted numbers at that time)
- 1924
- California Auto Club to Mark Highways of Utah (doesn't mention numbers, and includes one road that didn't get a number: Thistle-Pigeon Hollow)
- Signing of Utah Highways Nearly Completed (doesn't mention numbers)
- 1925
- This Section to Have Some Real Roads (U.S. Route planning)
- 1928
- Official Signs Placed on State Highways (U.S. Routes)
- 1932
- 1940
- 1962
- New Signs OK'd For State Roads (changing "old block 'U' sign" to beehive)