Sectionman

1916, Annual Report of the Public Utilities Commission, State of Maine, Sentinel Publishing Company https://books.google.co.uk/books?id=hi1FAQAAMAAJ&pg=RA2-PA56&lpg=RA2-PA56&dq=%22sectionman%22&source=bl&ots=i9BCwYgdC9&sig=d72pK2gH6efsfs4_I_v6M619s-g&hl=no&sa=X&ved=2ahUKEwjT1uqotJ_dAhXCCMAKHfhZCTE4ChDoATAEegQIBhAB#v=onepage&q=%22sectionman%22&f=false ... a sectionman was killed when his motor velocipede was struck by an extra freight on a curve; a sectionman was crushed between two cars when working on a track left unprotected; a sectionman was struck by a shifting engine; …

Source: wiktionary

Sectionmen step back to admire a T&P Texas in West Texas as the 2-10-4 comes charging up bad Baird Hill.

Source: wiktionary

Being on the engine when the engineer applied the brakes I asked why he was stopping and he said "there's a sectionman fighting with a wolf". So I backed up to the spot and the fireman and I jumped off with pick and shaker bar. I hit the wolf on the head with the pick and fireman Grier hit it with the shaker bar. This finished the wolf.

Source: wiktionary