What is the function of a "stop" sign?

The function of a "stop" sign is to indicate that traffic must come to a complete stop. When approaching a stop sign, drivers are required to bring their vehicles to a complete halt at the marked stop line, crosswalk, or intersection, whichever they reach first. This ensures that drivers can safely assess the intersection for any oncoming traffic or pedestrians before proceeding. The purpose of the stop sign is to enhance safety by regulating the flow of traffic at intersections, helping to prevent collisions and ensuring both drivers and pedestrians can navigate the area safely.

Other options misrepresent the requirements associated with a stop sign. For instance, merely slowing down and proceeding with caution is not sufficient; a complete stop is mandatory. Options suggesting yielding or restrictions on left turns do not align with the primary directive of a stop sign, which focuses solely on the necessity of stopping entirely at the designated location.