Which of the following actions is necessary when protecting adjacent tracks during an emergency?

The necessary action when protecting adjacent tracks during an emergency is to ensure communication with the Dispatcher. This is crucial because maintaining clear lines of communication allows for the coordination of emergency responses, management of train movements, and the safety of personnel and passengers. By notifying the Dispatcher, you can ensure that appropriate resources are mobilized, alerts are issued, and the necessary protocols are followed to secure the area effectively.

While gathering passenger information is important in certain situations, it does not directly contribute to the immediate protection of adjacent tracks. Similarly, preventing entry into a station or conducting an inspection of a train could also be part of a broader safety protocol but do not specifically address the need to manage the adjacent tracks during a crisis. The priority in an emergency situation is to ensure that communication channels are open and operational, enabling effective oversight and response to ensure safety.