In 1923,
Ohio
Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...
renumbered almost all of
its state highways in order to simplify the system.
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References
{{DEFAULTSORT:1923 Ohio State Highway Renumbering
State highways in Ohio, Renumbering 1923
Ohio State Highway Renumbering, 1923
State Highway Renumbering, 1923
History of Ohio
Highway renumbering in the United States