Final answer:
When you see a flagger sign on the road, it is essential to be prepared to stop and follow the flagger’s guidance for safety and compliance with road regulations.
Step-by-step explanation:
A flagged sign indicates that a flagger is stationed nearby to control road users. You should be prepared to stop and follow the flagger's guidance. This instruction ensures the safety of both the road users and the road workers who may be present. It is important to be vigilant and comply with the flagger's signals to proceed safely through the work zone or the area where road users need to be directed. This is part of broader traffic safety measures and road etiquette that drivers need to adhere to.