background
blue
color
concept
control
cross
crossroads
crosswalk
danger
design
direction
electric
electricity
element
equipment
flat
forbidden
glow
go
green
guidance
highway
icon
illustration
intersection
isolated
lamp
light
object
red
regulate
safety
semaphore
sign
signal
simple
stop
stoplight
street
symbol
traffic
trafficlight
transport
transportation
travel
urban
walk
warning
yellow