1. Stop Signs
Stop signs are the most commonly recognized safety sign, as well as the most used sign. These signs are designed in bright red with the word STOP spelled out in white across the sign. Whether on the roadway, in a parking lot or on a school bus, the stop sign alerts drivers to stop immediately upon reaching the sign.

2. Caution Signs
Caution signs are typically yellow and commonly triangular in shape. A caution safety sign is used to alert someone to proceed with extra care or to take extra precautions when using a specific item. Hospitals usecaution signs to warn workers of toxic/hazardous waste material, and road crews use these signs to alert drivers that there is road construction ahead.

3. Danger Signs
Danger signs are used to warn people that a certain area may be extremely hazardous. This type of sign usually has a red circle at the top with the word DANGER written in white. The bottom portion of the signincludes specific information about what the exact danger is. Numerous workplaces use danger signs for many types of hazards, such as a high voltage area, construction area or hardhat area.

4. Do Not Enter Signs
Do not enter signs are either white with black bold letters or red with white lettering and include the words DO NOT ENTER. These signs are used to tell people or employees that they are not permitted to go past a certainpoint. This is often done to protect people from various hazards.

5. Crosswalk Signs
Pedestrian walkway signs are important for both the driver and the pedestrian. The signs indicate areas where a person is permitted to cross the street. They are yellow, diamond-shaped signs that show a picture of a person crossing the street. The signs let pedestrians know where it is safe to cross the street, and alert drivers to the fact that people may be crossing the street.