Final answer:
In the scenario when 3 flaggers are required, the most logical choice for the lead flagger would be the most experienced flagger.
Step-by-step explanation:
In the scenario when 3 flaggers are required, the most logical choice for the lead flagger would be the most experienced flagger. Experience is crucial in leading a team and ensuring that traffic control duties are performed efficiently and accurately. The lead flagger needs to have a thorough understanding of flagging procedures, traffic laws, and safety protocols to effectively coordinate the efforts of the other flaggers.