3
background
blackish
button
city
coaches
connected
engine
freight
gears
graphic
gray
green
icon
illustration
line
linear
locomotive
mark
metro
move
passenger
pictogram
public
rail
railroad
railway
red
road
route
sign
silhouette
speed
station
steam
subway
symbol
three
track
train
tram
transit
transport
transportation
travel
trip
trolley
underground
vehicle