What does the TimeTable (TT) include?

The TimeTable (TT) is a crucial document in railroad operations that serves multiple functions, one of which is to provide line and system special instructions. These instructions may cover a variety of operational details tailored to specific routes or systems, including but not limited to, speed restrictions, track work information, and any other important variations from standard operating procedures. This information is vital for the safe and efficient operation of trains, as it helps conductors and engineers understand the unique requirements that may apply to their specific route.

While the TimeTable may contain elements related to operating schedules or rules for train signaling, its primary role extends beyond just schedules or signaling rules. It serves as a comprehensive guide that integrates important operational details to ensure that train operations are conducted safely and effectively across the network. In contrast, options focusing solely on schedules or freight movements do not capture the full scope of what the TimeTable encompasses.