The change was submitted to the Special Committee on U.S. Route Numbering, a group within the American Association of State Highway and Transportation Officials (AASHTO) that coordinates the numbering of national highways, and was approved at their June 1988 meeting after being initially withheld.
The change was submitted to the Special Committee on U.S. Route Numbering, a group within the American Association of State Highway and Transportation Officials (AASHTO) responsible for managing the numbering of national highways, and was approved at their June 1988 meeting after being initially rejected.