abstract
architecture
black
blur
car
caution
city
concept
control
cross
crossroad
crosswalk
danger
direction
drive
electronic
equipment
green
highway
illuminated
intersection
junction
lamp
landscape
led
light
object
pedestrian
red
regulate
road
route
safety
semaphore
sign
signal
speed
stop
stopped
street
symbol
town
traffic
transport
transportation
urban
wait
warning
way