Which of the following aspects of train operations are crucial for a conductor?

The knowledge of signal aspects and station stops is crucial for a conductor because it directly impacts the safety and efficiency of train operations. Conductors must understand the various signals used along the tracks, as these signals communicate important information about speed restrictions, track occupancy, and other operational conditions that affect how the train should be operated. Additionally, familiarity with station stops is essential for ensuring that the train arrives at the correct locations on time, allowing passengers to board and disembark safely. A conductor's ability to interpret these signals and manage station stops effectively is vital in maintaining operational protocols and ensuring overall safety on the train.