What is the route pairing number for the Chestnut Hill West Line?

The route pairing number for the Chestnut Hill West Line is designated as 8. This identification helps in effectively organizing and managing train schedules and operations, providing clarity for both the conductors and engineers who need to understand their specific route assignments. Route pairing numbers are crucial for the planning and coordination of train services, ensuring that personnel can track and report on their operational responsibilities efficiently. The numbering system is standardized, which helps prevent confusion and maintains consistency across the transit network.