What does a flashing red light gun signal mean?

A flashing red light gun signal specifically indicates that you should clear the taxiway for vehicles. This signal is crucial for ensuring safety in areas where ground vehicles may need to operate, especially in busy environments like airports. When you see a flashing red light, it signifies that you must not only be aware of vehicle presence but must also take immediate action to vacate the taxiway to allow safe passage of those vehicles.

In contrast, other signals could indicate different situations. For instance, a steady red light might mean to stop for vehicles and aircraft, while a different signal might indicate permission to taxi or takeoff. Understanding the meaning of these signals helps maintain a safe and orderly flow of both air and ground traffic at the airport.