When approaching MP 1 with a pending Conditional Stop Sign, what is the first action that should be taken?

When approaching a Conditional Stop Sign, the primary concern for safety and communication is paramount. Contacting the employee in charge of the limits is crucial because they have the authority to provide the necessary information regarding the track conditions, any potential hazards, or instructions related to the Conditional Stop Sign. This action ensures that the train crew is fully informed and can make an educated decision on how to proceed safely.

Taking this step is important as it facilitates coordination and ensures compliance with operational protocols, which can prevent potential accidents or miscommunications on the track. The other options do not prioritize this necessary communication step, which is vital for maintaining safety standards in railroad operations.