Signaling System No. 6 is a communication protocol used in the railway industry, primarily for controlling train movements. It enables the exchange of information between trains and trackside equipment, ensuring safe and efficient operations. This system helps prevent collisions and manage train schedules by providing real-time data on train locations and speeds. The system utilizes a series of signals and codes to convey important information to train operators. By interpreting these signals, engineers can make informed decisions about speed adjustments and track changes. Overall, Signaling System No. 6 plays a crucial role in maintaining safety and reliability in railway transportation.