What should be done if workers are unaware of a train's approach?

In situations where workers are unaware of a train's approach, immediate communication from a lookout or signaling systems is essential for alerting them to potential hazards. This proactive measure is critical for ensuring the safety of workers who may not have visibility of oncoming trains. Lookouts and signaling systems serve as safety mechanisms that provide real-time information regarding train movements, allowing workers to take appropriate action to protect themselves. Having a dedicated lookout is particularly effective in monitoring train activity and conveying warning signals promptly, which is crucial in preventing accidents.

Other strategies, such as sounding a loud alarm or encouraging workers to check their surroundings frequently, may complement safety efforts but do not guarantee the same level of immediate and clear communication regarding the presence of a train. Therefore, relying on a lookout or signaling systems is the most direct and effective approach to ensure that workers are aware of an approaching train, thus mitigating the risk of accidents.