{{Railway signal mast}} is a template for displaying signals on a mast for demonstration of railroad signalling aspects. It displays up to three signal heads using spotlight, one of two types of semaphore, or positional signals, along with a base and modifier plates.
{{Railway signal mast|top signal|second signal|bottom signal|plate=|type=|align=|size=}}
Note that at the default right alignment, masts are specified right-to-left. {{Railway signal mast|w|R|R|base=gantry|plate=SPS}} {{Railway signal mast|R|Y|g|base=gantry}} {{Railway signal mast|R|R|R|base=gantry}}