Which aspect is included in the maintenance inspection schedule for CTA vehicles?

The correct choice is based on the fact that the maintenance inspection schedule for Chicago Transit Authority vehicles is tailored specifically to the type of vehicle being serviced. Different vehicle types have different maintenance needs and intervals due to variations in their design, function, usage, and wear patterns. For instance, a railcar may require a different maintenance approach than a bus due to differences in operational environment, mechanical components, and expected service duration.

By including "depending on vehicle type" in the schedule, the CTA ensures that each vehicle receives the appropriate level and type of maintenance necessary to keep it operating safely and efficiently. This tailored approach allows for better resource allocation and improves the reliability and safety of the entire fleet, which is crucial for public transportation services.