alert
attention
awareness
caution
city
cityscape
control
corner
cross
crosswalk
device
environment
halt
indicator
infrastructure
intersection
landscape
light
measure
pathway
pause
pedestrian
pedestrian traffic light
precaution
precautionary
red
red signal
regulation
road
safety
scene
semaphore
sign
signal
stop
stoppage
street
symbol
traffic
traffic light
transportation
urban
wait
walk
warning
zone