What does road marking AA4 indicate?

The road marking AA4 is used to indicate that a line is about to begin, which prohibits vehicles from passing in that specific area. This type of marking is crucial for maintaining safety on the roads, as it instructs drivers where they should not overtake other vehicles. The presence of this marking typically means that there are conditions ahead that necessitate caution, such as curves, intersections, or pedestrian crossings.

Recognizing this marking helps drivers to adhere to road regulations, which are designed to prevent accidents and ensure smooth traffic flow. Therefore, understanding the meaning of this particular road marking is essential for safe driving practices and awareness of the road environment.