What is the general requirement for train operations according to established rules in work zones?

The response that indicates trains must adhere to compliance and notify relevant parties aligns with established safety protocols in work zones during train operations. Work zones often present heightened risks due to construction activities or repairs, necessitating stringent adherence to regulations. This compliance includes adjusting operating speeds, maintaining communication with dispatchers and personnel, and closely following any posted speed limits or operational modifications that are specific to the work zone.

The requirement for notification ensures that all relevant parties are aware of train movements, enhancing safety and coordination in potentially hazardous conditions. This aspect of operations is vital for reducing the likelihood of accidents and ensuring that construction workers and train crews can operate in a safe and secure environment.

In contrast to the other options, operating at full speed can compromise safety in work zones, and allowing trains to determine their own speed would eliminate the necessary safeguards required in these sensitive areas. The notion that there are no specific requirements contradicts the fundamental objectives of operational safety and compliance within the railroad industry.