trackwalker

[ trak-waw-ker ]
/ ˈtrækˌwɔ kər /

noun

a person employed to walk over and inspect a certain section of railroad track at intervals.

Origin of trackwalker

An Americanism dating back to 1870–75; track + walker
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019