What is a key benefit of quick service in train handling?

Quick service in train handling is crucial as it effectively reduces in-train forces and slack action. When trains are operated with quick service techniques, the amount of slack between the cars is minimized, which helps in maintaining a more stable and efficient train movement. This stability is critical because excessive slack action can lead to a variety of operational issues, including increased wear and tear on train components, compromised safety, and inefficient braking.

By reducing slack action, the train can respond more promptly to braking commands, which enhances control and improves overall safety during operations. This reduction in in-train forces also contributes to better handling characteristics, making it easier for the crew to manage the train under different conditions.

While quick service can influence other factors such as fuel efficiency and operational flexibility, its primary and most immediate benefit lies in the management of forces and slack within the train, which is essential for effective handling and safe operation.