| Use | Color of Sign |
| Stop,Newer Yield, & Wrong Way signs | |
| background for incident management signs | |
| reserved for future use (3 possible) | |
| temporary traffic control | |
| warning signs (not temporary), Older Yield | |
| pedestrian signs or school signs etc. | |
| information, direction, and road name signs | |
| travel services and other info signs. Evacuation signs | |
| recreational or cultural intrest | |
| one way and night speed limit | |
| speed limit | |