passengers

pass

through

subway

turnstiles

turnstile

underground

train

station

enter

gate

check

ticket

inspection

journey

city

traffic

approach

people

board

leave

transportation

efficient

fast

male

modern

metro

boarding

public

man

person

document

woman

terminal

entrance

rail

control

inside

motion

paper

commute

way

travel

card

business

trip

passenger

coupon

vacation