Wikipedia:WikiProject U.S. Roads/Colorado/1923 renumbering

Each row is color coded according to how the new number was assigned:
 * red: under 50, assigned to routes that were partly federal aid in [url=http://books.google.com/books?id=x60yAQAAMAAJ&pg=PA16-IA8 the original 1922 plan]
 * blue: kept the old number
 * orange: probably part of the rough grid (was 119?)
 * white: unknown