Which signals must trains in DCS territory approach prepared to stop?

In DCS (Dispatcher-Controlled Signaling) territory, trains must approach all home signals and CP (Control Point) signals prepared to stop. This requirement is vital for maintaining safety and operational integrity within the railway network.

Home signals are primarily used to indicate the status of the track ahead for trains approaching a control area and often dictate whether the train can proceed or must stop. CP signals, which govern entry and movement between different track segments or control points, are equally important, as they ensure that trains are correctly managed as they transition through busy junctions or areas of dense traffic.

By requiring trains to approach these signals prepared to stop, it mitigates the risk of collisions, ensures compliance with operational procedures, and allows for timely responses to any changing conditions on the track. This procedure emphasizes the need for caution and preparedness in densely trafficked segments of the railway where control is critical.

The other options do not encapsulate the full requirement of preparing to stop at both home and CP signals, which are essential for safe train operations in DCS territory.