asphalt
attention
barricade
barrier
block
blocked
car
caution
city
color
cone
construction
danger
direction
drive
equipment
highway
industrial
industry
maintenance
marking
nobody
orange
pavement
reconstruction
redirection
repair
road
roadblock
roadside
roadwork
safety
security
sign
signal
site
stop
street
symbol
traffic
transport
transportation
travel
under
urban
warning
white
work
yellow
zone