Which is one of the designated train operating routes?

The correct choice represents a specific train operating route that is officially recognized within the rail network serviced by PATH. In this case, the route from Newark to the World Trade Center is established and allows for direct transit between key locations in New Jersey and Manhattan. This route is essential for commuters who work or have business in lower Manhattan, providing efficient and reliable service tailored to their needs.

Other options listed may not accurately reflect the designated operating routes within the PATH system or may represent connections that do not exist or are not currently in service. Understanding the established operating routes is crucial for train engineers and staff, as it impacts scheduling, maintenance, and overall operational effectiveness.