Task · part of 6. Four signals, all of them what the crew sees and hears
6(b). Three horn signals
Required
Three, with their meanings. The sequence sounded on approach to a crossing is the one everybody has heard and few could recite, and the others are instructions to people on the ground rather than to the public.
Where this step comes from
- Railroading Merit Badge Requirements (Merit Badge Hub, last modified 2025-12-15), Requirement 6(b) · The requirement asks for the meaning of three horn signals.