What action should be taken if a cab signal indicator shows conflicting information?

The appropriate action when a cab signal indicator displays conflicting information is to report immediately to the dispatcher and operate at restricted speed. This approach emphasizes the importance of safety and communication in rail operations.

Operating at restricted speed allows the train crew to proceed cautiously and ensure they can stop within the range of visibility ahead. This is critical in managing potential risks caused by unclear signals. By contacting the dispatcher, the crew can gain further instructions and clarification, ensuring that the situation is handled professionally and safely.

In rail operations, conflicting signal indications can arise from various issues, including equipment malfunction or miscommunication, and responding through proper channels is essential. By following protocol and maintaining communication with the dispatcher, the crew can mitigate risks while ensuring that further safety measures can be considered based on the situation.

The other actions listed do not align with safe operating procedures. Continuing at maximum speed could lead to dangerous consequences without clarification of the signal's meaning. Stopping immediately without evaluating can also create hazards, particularly in busy rail environments. Similarly, ignoring signals undermines the fundamental principles of rail safety and cannot be tolerated. Thus, taking the correct actions supports the overall safety and reliability of rail operations.