保線作業員

Also known as trackman, trackwoman, track inspector, ganger, plate-layer, track foreman, trackwomen, fettler

thumb|Trackwomen, 1943. Baltimore and Ohio Railroad|Baltimore & Ohio Railroad Company A platelayer (British English), fettler (British English – UK, Australia, NZ) or trackman (American English) is a railway employee who inspects and maintains the permanent way of a railway, usually working in teams or gangs under the charge of a foreman called (in UK, Australia and NZ) the "ganger", often assisted by an assistant ganger. The term "platelayer" derives from the plates used to build plateways, an early form of railway.