Arrangement by Class of Highway
Within a given direction, route signs are arranged by highway
classification. The higher class highway should be at the top or
left. The following list indicates the hierarchy of highway classes,
from the highest to the lowest.
- Interstate and Toll Interstate
- U.S. Highway and Toll U.S. Highway
- U.S. Highway Alternate
- U.S. Highway Spur
- OSR, NASA, State Highway, and Toll State Highway
- State Highway Alternate
- Loop, Beltway, or Spur
- Business Interstate Loop or Business Interstate Spur
- U.S. Highway Business
- State Highway Business or Farm (or Ranch) to Market Road Business
- Farm to Market Road or Ranch to Market Road
- Ranch Road
- Park Road
- Recreational Road
- Recreational Road Spur
- Farm to Market Road Spur or Ranch to Market Road Spur
- Ranch Road Spur.