yard train conductor/switchman here
>shirt
wrangler western long sleeve snap stripe shirt
>pants
whatever jeans i got, been using the rigid cowboy cut ones for a bit and they are good
>hat
any ballcap
>shoes
cheap 8" CAT steel toes
>vest
pic related, remote control locomotive vest, it has 4 vertical metal bars inside for rigidity

plus whatever shitty gloves the company provides as they get destroyed fast tying on handbrakes. same with the shoes ballast just eats them up. radio clipped on vest.