area
asphalt
attention
barricade
barrier
boundary
car
caution
city
closed
construction
danger
digging
excavation
fence
forbidden
industry
line
old
orange
outdoor
repair
road
road sign
road work
roadwork
safety
security
sewer
sign
signal
site
stop
street
striped
symbol
town
traffic
transport
transportation
urban
warning
white
work
zone