What device can be used to control traffic flow at a work zone?

Prepare for the ATSSA Traffic Control Supervisor Test. Study with flashcards and multiple-choice questions, with hints and detailed explanations for each question. Ace your exam!

The correct choice of "All of the above" is justified as each option represents a legitimate method for controlling traffic flow in a work zone.

Stop signs are used to halt traffic at certain locations, helping to ensure that vehicles can safely navigate through or around a work area. Traffic barrels serve as physical barriers that guide drivers, indicating where to slow down and directing their path within the work zone, helping to maintain a clear delineation between the work area and active roadway.

Flaggers play a crucial role in active traffic management, often stationed at strategic points to direct cars, ensuring the safety of both road users and workers. Flaggers can also communicate dynamically to adjust the flow of traffic in real time based on conditions, making them an effective tool for managing traffic in changing environments.

Together, these devices contribute to a comprehensive traffic control strategy that enhances safety and minimizes disruption in work zones.

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