In ABS territory, how should a train enter the main track from a siding after authority has been obtained?

In ABS territory, after obtaining authority to enter the main track from a siding, it is crucial to ensure safety and clear communication before proceeding. The correct approach is to wait a specified amount of time, typically five minutes, at the switch. This waiting period serves an important purpose: it allows enough time for any necessary block signal protection to be established. This ensures that the train has a clear and safe passage onto the main track, minimizing the risk of collision with other trains that may be in the vicinity.

The rationale for implementing this waiting period is to allow for any potential changes in traffic conditions that might affect the train's movement. Proper procedures prioritize safety and communication, which are foundational to the operations in ABS territory, ensuring that the entering train is not just granted authority, but also has confirmed safety to proceed. This method aligns with best practices in rail operations, emphasizing the importance of ensuring that no other trains are occupying the segment of track that the train is about to enter.