amber
attention
auto
background
black
car
caution
change
city
color
communication
control
crossroad
danger
direction
driving
equipment
glowing
go
green
illuminated
intersection
isolated
lamp
light
lights
ready
red
regulate
road
rush
safety
semaphore
set
shiny
sign
signal
sky
stop
stoplight
street
symbol
three
traffic
transport
warning
way
yellow
yes