What should a locomotive engineer do when encountering a Diverting Approach Sign?

When a locomotive engineer encounters a Diverting Approach Sign, the appropriate action is to proceed with caution, prepared to divert. This sign serves as a warning that the train is approaching a junction or point where it may need to divert from its current track. By proceeding with caution, the engineer is making sure they are ready to react appropriately to any signals that may indicate a change in direction, ensuring both the safety of the train and the passengers.

In this situation, the emphasis is placed on the need to maintain awareness and be prepared for a potential switch in tracks. It’s vital for engineers to approach such signals carefully because failing to do so could lead to unsafe conditions or derailments if they are not ready to divert. The other choices are inappropriate responses: stopping and waiting for signal clearance may not be necessary unless indicated otherwise, proceeding at maximum speed could result in a hazardous situation if sudden diversion is required, and accelerating to clear the sign faster does not align with the principles of safety and caution critical in train operations.