announcement

announcer

arrival

background

boarding

bustle

busy

chatter

coach

crowd

departure

diesel

engine

exterior

footsteps

hiss

hum

idle

intercom

moving

notice

pa

people

platform

poland

pressure

public

railroad

railway

rattle

squeak

squeaking

station

steps

stop

tannoy

terminal

terminus

tracks

traffic

trains

transit

transport

transportation

travel

trip

tunnel

underpass

urban

walla

footstep

move

step

track

train