Suggested tags
traffic signals
stoplights
robots
signalling devices
road intersections
city
through window
gray day
winter
pedestrian crossings
locations
order
control
flow of traffic
three signals
transmitting
colours
red
yellow
green
symbols
local scales
control traffic
technology
vehicular signals
set of lights
nonflashing
flashing
intersection
crossing
vehicles
road
illuminated
stopped
led
green lamp