What function do runway stop bars serve?

Prepare for your YVR Airside Vehicle Operator Permit Exam. Study with flashcards and multiple-choice questions with detailed explanations. Get exam ready now!

Runway stop bars are critical visual aids at airports, especially in areas where ground and air operations intersect. Their primary function is to indicate the holding position for vehicles and aircraft before they enter a runway. This is particularly important for maintaining safety and preventing incursions onto an active runway, where any unauthorized presence can pose a serious risk of collision with departing or landing aircraft.

The stop bars consist of a series of red lights that are activated when the runway is closed to traffic. When these lights are illuminated, it signifies to vehicle operators that they must stop and not proceed into the runway area. Conversely, when the lights are off, it indicates that the runway is clear for entry. This function is vital for coordinating surface traffic and ensuring that ground operations are conducted safely and efficiently.

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