attention
boke
car
caution
city
color
colorful
concept
control
danger
drive
environment
figure
freedom
go
green
guidance
illuminated
lamp
life
light
man
marks
modern
moving
no
people
red
regulation
road
rule
safe
safety
security
semaphore
sign
signal
stop
street
traffic
transport
transportation
urban
vitality
warning
way
yellow
yes