Watchman/lookout
Watchman/lookout means an employee who has been annually trained and qualified to provide warning of approaching trains or on-track equipment. Watchmen/lookouts must be properly equipped to provide visual and auditory warning by such means as a whistle, air horn, white disk, red flag, lantern, or fusee. A watchman/lookout's sole duty is to look out for approaching trains/on-track equipment and provide at least fifteen seconds advanced warning to employees before the arrival of trains/on-track equipment.