alert
average speeds
beware
car
caution
collects
crosswalk
educational radar
europe
informative
leds
low motion shot
message
motion
moving
planning
pole
radar speed sign
reducing speed
safety
scene
school crossing
sign pole
spanish language
speed digits
speed reduction
speed sign
store data
street
technology
text matrix display
town
traffic
traffic volume areas
transportation
urban
vehicle crossing
visible
warning
zebra