When you see a flashing yellow arrow traffic signal, you should:

When encountering a flashing yellow arrow traffic signal, the correct action is to proceed with caution. This signal indicates that you may turn in the direction of the arrow, but you must do so carefully and be prepared to yield to any oncoming traffic and pedestrians in the intersection. The flashing yellow is a warning that while you are permitted to make the turn, it is not guaranteed to be clear, and extra vigilance is required.

This type of signal helps facilitate traffic flow while ensuring safety, as it informs drivers that they should not treat the situation as a straightforward opportunity to turn without assessing their surroundings. Thus, approaching the intersection with caution allows for appropriate response time to any unexpected obstructions or movements from other road users.