ampelmann

attention

background

caution

city

colorful

control

crossing

danger

driveway

equipment

european

figure

green

human

information

lamp

light

man

moving

object

pedestrian

people

protection

public

red

regulation

road

rule

safe

safety

security

semaphore

sign

signal

step

stoplight

street

symbol

technology

town

traffic

transport

urban

walk

walking

warning

way