attention

background

car

caution

city

close

color

control

countdown

cross

crosswalk

danger

daytime

equipment

figure

green

lamp

life

light

lights

object

pedestrian

prohibiting

public

real

red

regulation

road

safety

seconds

sign

signal

sky

stop

stoplight

street

streets

symbol

technology

time

traffic

transport

transportation

turn

two

urban

walk

warning

way