What must a driver do when encountering a yellow light flashing at an intersection?

When a driver encounters a yellow light flashing at an intersection, the proper action is to approach cautiously and yield if necessary. A flashing yellow light indicates that drivers should exercise caution in the area and be prepared to stop if there are obstacles or pedestrians present. It signals that other traffic controls, like signs or other vehicles, may require attention.

By approaching cautiously, drivers can assess the situation at the intersection, ensuring they are aware of any potential hazards. Yielding if necessary means giving way to any vehicles or pedestrians that may have the right of way, promoting safety for everyone involved.

In contrast, waiting until the light changes does not apply since a yellow light is not a stop signal but a cautionary one. Stopping at all times regardless of the conditions could lead to accidents, particularly if other drivers are not expecting a sudden stop at a flashing yellow. Speeding up to clear the intersection is unsafe and contrary to the cautionary nature of a flashing yellow light, which is designed to alert drivers to potential hazards rather than encourage rapid movement.