The railway order for trains after signal repair ensures safety by following a systematic process that minimizes the risk of accidents or collisions. Here are the key points of this process:

• Signal Repair Completion: The signals are repaired and thoroughly tested to ensure that they are functioning properly, displaying accurate information to train operators.
• Communication: Railway authorities communicate the completion of signal repair to train operators through various means, such as radio, signaling systems, or control centers.
• Authorization: Train operators receive specific instructions regarding the order in which they can proceed after the signal repair. These instructions are provided based on the priority and distance between trains.
• Clearance: Each train is given clearance to move only when the railway authorities determine it is safe to do so. This ensures that trains do not approach signals that might still be malfunctioning or displaying incorrect information.
• Monitoring: The movement of trains is carefully monitored by railway authorities during this critical period after a signal repair to ensure compliance with the given instructions and avoid any potential safety hazards.

Overall, the railway order for trains after signal repair is designed to prioritize safety by ensuring that trains proceed on the tracks only when it is safe to do so, minimizing the chance of accidents or collisions.