What happens when a track car clears the track on a Form D line 2?

When a track car clears the track on a Form D line 2, several procedural requirements are fulfilled as part of the safety and operational protocols. First, the Form D that authorized the use of the track is considered fulfilled once the track car clears. This signifies that the original authorization is no longer in effect, ensuring that the track is free from the previously authorized movement.

Additionally, for any further movement on that track, a new Form D must be issued. This is crucial to maintain proper communication and documentation regarding track usage and to ensure that any subsequent movements are authorized based on current conditions.

Lastly, it is necessary for the Foreman to report clear to the Dispatcher. This communication is vital for up-to-date tracking of who is using the track and whether it is safe for other trains or equipment to proceed.

Together, these actions—fulfilling the original Form D, issuing a new one for any subsequent movements, and reporting clear—are all integral components of maintaining safety and proper operational procedures in railway operations. Therefore, the comprehensive requirement of fulfilling all these actions justifies the option that encompasses all of them as being the correct response.