What does the term "signal integrity" refer to in CTA's rail operations?

The term "signal integrity" in the context of CTA's rail operations primarily refers to the reliability of signals that control train movements. This encompasses factors such as the clarity, strength, and accuracy of the signals that dictate when trains should proceed, stop, or slow down. Ensuring high signal integrity is vital for maintaining safety on the tracks, preventing accidents, and ensuring smooth operational flow. If the signals are compromised in any manner, it can lead to delays, collisions, or unsafe situations for both passengers and train crews, thereby highlighting the critical nature of maintaining robust and dependable signaling systems in the rail network.

While clear communication with passengers, accuracy of train schedules, and quality maintenance procedures are all important aspects of rail operations, they do not directly relate to the fundamental concept of signal integrity as it specifically pertains to the signals controlling the movements of trains. Understanding this distinction is crucial for those working within CTA's operational framework.