Wikipedia talk:WikiProject U.S. Roads/Idaho/highway numbers
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According to [1], which may be off, and a few maps and the minutes, numbers were assigned as follows:
- 1929: 1-40 (these were assigned in an obvious pattern)
- 1934: 41-45
- 1935: 46-48
- 1937: 49-50 (50 is the highest on a 1937 map)
- 1938: 51-53 (53 is the highest on a 1940s map)
- 1953, every state highway received a number: known additions are 54-58, 61-62, 66, 68-70, 72-77, 79-80, ...I'll get back to this
Categories:
- Project-Class Idaho road transport articles
- NA-importance Idaho road transport articles
- Project-Class Road transport articles
- NA-importance Road transport articles
- Idaho road transport articles
- Project-Class U.S. road transport articles
- NA-importance U.S. road transport articles
- U.S. road transport articles