asphalt
attention
bad
building
caution
city
condition
construction
crack
damage
danger
dangerous
destruction
dirty
gate
gray
highway
industry
infrastructure
knoll
maintenance
old
pothole
red
repair
reverse pressure sign
road
road sign
road signs
rough
safety
sign
signal
site
stop
street
surface
symbol
territory
traffic
transport
transportation
travel
triangle
under
urban
village
warning
weathered
white