Interlocking Station is defined as a location from which:

Interlocking Station is defined as a location from which:

• A. A location where trains are dispatched from.
• B. A location from which a switch is controlled manually.
• C. A location from which an interlocking is operated.
• D. A fixed signal at an interlocking.

Answer: (C)

An interlocking station is the control point for the interlocking system—the location from which the interlocking is operated. This is where signals and switches are coordinated and protected so that routes can be set safely and conflicting movements are prevented. The focus is on who or what controls the interlocking, not merely where trains are dispatched or where a single switch or signal sits. So this location is defined by its role as the operator of the interlocking, rather than as the place that dispatches trains, a manual switch control point, or a fixed signal itself.

An interlocking station is the control point for the interlocking system—the location from which the interlocking is operated. This is where signals and switches are coordinated and protected so that routes can be set safely and conflicting movements are prevented. The focus is on who or what controls the interlocking, not merely where trains are dispatched or where a single switch or signal sits. So this location is defined by its role as the operator of the interlocking, rather than as the place that dispatches trains, a manual switch control point, or a fixed signal itself.