What must a train crew do before entering the limits of a joint track authority?

Before entering the limits of a joint track authority, it is essential for a train crew to hold a job briefing to establish working limits. This practice is crucial for ensuring the safety and coordination of all personnel involved. A job briefing includes discussing the tasks to be performed, the specific limits of the authority, and any potential hazards or issues that could arise during operations. By clarifying these aspects, the crew can effectively manage their responsibilities and maintain safe operations within the shared track space.

Conducting this briefing also helps enhance communication among the crew members and any other involved parties, ultimately reducing the risk of accidents or misunderstandings while operating on the joint track authority. It is a vital step in ensuring that all crew members have a clear understanding of their roles and the operational boundaries before proceeding.