What should drivers do when approaching a runway hold line?

Answer: B — Stop and ensure it is safe before proceeding

When approaching a runway hold line, it is essential for drivers to stop and ensure that it is safe before proceeding. This procedure is crucial because the runway hold line marks the boundary between the taxiway and the runway, indicating that a driver must check for any incoming aircraft or other traffic that may be on the runway. By stopping, drivers can take the necessary time to scan the area for potential hazards, ensuring that the runway is clear and safe for entry before moving forward. The practice of stopping at the hold line is in line with airport safety regulations designed to prevent runway incursions, which can have serious consequences. Understanding the importance of this protocol is fundamental for maintaining safety in an environment where aircraft movement can occur at high speeds and with limited visibility.