you alert on long family road trips:

Fluorescent pink signs are an official federal standard reserved specifically for temporary traffic incident management.
- Blue Signs: On public highways, blue rectangles provide traveler services and information, pointing you toward rest stops, gas stations, hospitals, and campgrounds.
- Fluorescent Pink Signs: Used specifically for incident management. When an unexpected crash or natural disaster closes a lane, responders use pink signs to set up emergency detours.
- Fluorescent Yellow-Green Signs: Reserved strictly for pedestrian crosswalks, bicycle paths, and school safety zones where extra daytime brightness prevents accidents.
- Brown Signs: Designate cultural sites, historic landmarks, national parks, and public recreational areas.
- Purple Signs: Designated specifically for electronic toll-collection
- lanes.
Installing Custom Signs on Private Property
If you own a long private driveway, run a small farm, or manage an HOA board, you might consider installing your own signage to slow down delivery trucks and visitors. While