3d
allow
authority
city
color
control
danger
direction
driving
equipment
forbid
go
green
guidance
highway
illuminated
illustration
isolated
lamp
light
manage
mode
not
red
regulate
render
road
safe
safety
semaphore
sequence
shiny
sign
signal
stand
stop
stoplight
street
symbol
traffic
trafficlight
transport
travel
urban
walk
warning
way
yellow
yes