Three traffic signal lights, each with three colors red, yellow and green, all isolated on white
Schlüsselwörter
road,
stop,
go,
light,
signal,
travel,
transportation,
traffic,
safety,
urban,
drive,
car,
lane,
crossing,
direction,
street,
vehicle,
wait,
hurry,
system,
code,
colours,
red,
yellow,
green,
illumination,
guide,
control,
automated,
manual,
path,
decision,
choice,
route,
journey,
daytime,
close,
up,
object,
isolated,
white,
background,
bright,
clarity,
three,
pole,
metal,
electricity
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