What is the first action a conductor should take when notified of a shattered window?

When a conductor is notified of a shattered window, the first action should be to signal the train operator to whistle for a police officer. This response is crucial for several reasons.

The safety and security of all passengers and crew members is the top priority in the event of a potential breach or threat that a shattered window may signify. By alerting the train operator to call for police assistance, the conductor ensures that trained authorities can assess the situation properly and provide necessary support, especially if there are injuries or security issues that could escalate.

Moreover, while assisting passengers is important, the priority is to ensure the overall safety of the train and its occupants. Ignoring the situation could exacerbate risks, while using the conductor's valve typically pertains to operational responses rather than addressing immediate safety and security concerns.

By effectively calling for police assistance first, the conductor demonstrates a critical awareness of safety protocols and ensures that the situation can be managed in an organized and secure manner.