Upon hearing Train 208's emergency announcement, what is the priority action for nearby trains?

The priority action for nearby trains upon hearing Train 208's emergency announcement is to proceed with caution and at Restricted speed. This response is crucial in ensuring that safety is maintained in the vicinity of the emergency situation while still allowing trains to continue operations.

When an emergency announcement is made, it typically indicates that there is a significant incident that could affect the safety of the surrounding area or track. By proceeding at Restricted speed, train crews can maintain control of their locomotives and be better prepared to react to any unexpected situations, such as obstructions on the track or emergency personnel in the area.

This action demonstrates a balance between responding to emergencies and adhering to operational protocols, allowing for a cautious and safe approach while minimizing delays for other trains in the vicinity. The other options suggest either inaction or a lack of attentiveness to the emergency, which would not align with best practices for safety management in rail operations.