green

color

image

red

yellow

white

background

object

design

shiny

illuminated

equipment

sign

travel

transport

transportation

light

danger

black

electric

electricity

car

speed

road

traffic

symbol

city

urban

lamp

street

highway

safety

forbidden

front

direction

warning

order

control

signal

regulate

stop

authority

intersection

Go

Guidance

semaphore

sequence

stoplight