In CTC territory, what action must be taken after spotting cars and recompleting the train?

Answer: C — Wait for a signal indicating direction

In Centralized Traffic Control (CTC) territory, after spotting cars and recompleting the train, it is essential to wait for a signal indicating the direction to proceed. This is critical because CTC systems are designed to manage train movements efficiently and safely using signals that dictate when and how a train can move. Following the established signaling protocols ensures that the train is not only following the correct route but also that it adheres to the safety measures required within that territory. Signals indicate whether it is safe to move and, if so, the speed at which to proceed, ensuring that the train does not interfere with other train movements or operations in the area. This practice is a fundamental safety measure in railway operations, reflecting the importance of coordination and communication within the system to prevent accidents and improve operational efficiency.