A red octagonal sign is universally recognized as a stop sign. It means you must come to a complete stop at the intersection or where the sign is placed, and proceed only when it is safe to do so.
A white and black circular sign with "Do Not Enter" indicates that vehicles are prohibited from entering that road or area. It is typically used at one-way streets or restricted zones to prevent traffic from entering where it is not allowed.
Green rectangular signs are used to provide directional information or guide you to specific locations, such as exits, mile markers, or points of interest. They help with navigation and orientation.
A flashing yellow light means you should proceed with caution and be prepared to stop if necessary. It warns of potential hazards or changes in traffic conditions ahead.
A yellow diamond-shaped sign with a curve symbol warns you of a curve in the road. It is a cautionary sign indicating that you should reduce your speed to navigate the curve safely.