A red octagonal sign is universally recognized as a stop sign. It requires drivers to come to a complete stop at the intersection and proceed only when it is safe to do so.
A yellow diamond-shaped sign with a curving arrow warns of a sharp curve ahead. It is a cautionary sign that advises you to slow down and be prepared for a significant change in road direction.
Green rectangular signs provide information or directions, such as road signs indicating exits, mile markers, or points of interest. They help guide drivers to their destinations.
A white and black circular sign with "Do Not Enter" indicates that no vehicles are allowed to enter that road or area. This sign is often used at one-way streets or restricted areas.
A flashing yellow traffic signal means that you should proceed with caution. It indicates that you need to be aware of potential hazards and be prepared to stop if necessary, but you are not required to stop unless conditions require it.