Which of the following equipment is part of the Train Control Apparatus?

The correct choice emphasizes the role of automatic train control systems, which are a fundamental component of the Train Control Apparatus. This equipment is designed to ensure the safe and efficient operation of trains by automating certain control processes and providing feedback to the operator regarding train speed, positioning, and signal compliance. Automatic train control systems can significantly reduce the risk of human error, enhance safety protocols, and optimize train schedules by allowing for more precise control of train movements.

In contrast, passenger information display systems focus on providing real-time information to passengers; train scheduling software primarily aids in planning and managing train timetables; and infrastructure maintenance tracking tools assist in monitoring and maintaining the physical assets of the railway. While all these tools contribute to the overall function and efficiency of rail operations, they do not fall under the Train Control Apparatus specifically, which is centered on the mechanisms that directly control train movement.