A signalman is a railway worker responsible for controlling train movements and ensuring safety on the tracks. They operate signals, switches, and other equipment to direct trains, preventing collisions and managing traffic flow. Signalmen often work in signal boxes or control centers, communicating with train drivers and other staff. The role of a signalman is crucial in maintaining the efficiency of the railway system. They must be vigilant and quick to respond to any issues that arise. Signalmen often use tools like semaphore signals and radio communication to relay information, ensuring that trains run smoothly and safely.