What procedure is required when leaving a portion of a train temporarily on the main track?

Setting sufficient hand brakes to prevent movement is a critical safety procedure when leaving a portion of a train temporarily on the main track. This ensures that the train remains stationary and does not inadvertently move, which could pose a risk to both crew members and other trains. Properly applied hand brakes are essential for securing the train, especially on inclines or in conditions where movement might occur due to external factors like track slippage or vibrations from passing trains.

Using hand brakes also aligns with best practices in train safety protocols, emphasizing the need for securement when a train is left unattended. This procedure is part of a broader set of regulations that ensures the safety of operations on the railway, helping to prevent accidents and maintain the integrity of the rail system. Careful adherence to this practice reflects a strong commitment to operational safety and responsible train handling within the railroad industry.