What is the primary concern for vehicles operating in movement areas?

The primary concern for vehicles operating in movement areas is clearance and safety regulations. This focus is essential because movement areas, which include runways and taxiways, are critical zones where aircraft navigate. Maintaining proper clearance ensures that vehicles do not interfere with aircraft operations, which could lead to accidents or delays. Adhering to safety regulations is vital for preventing unauthorized access and ensuring that vehicles operate within defined parameters to maintain the safety of all airport operations. Ensuring compliance with these regulations protects both personnel and equipment, thereby fostering a safe and effective operating environment for all users of the airport.