alert
asphalt
attention
barricade
barrier
build
bypass
car
caution
city
closed
cone
construction
construction site
danger
detour
direction
driving
equipment
fix
highway
improvement
industry
lane
limit
line
maintenance
obstacle
orange
repair
restriction
road
roadside
roadwork
safety
security
service
sign
signal
site
stop
street
traffic
transport
transportation
turn
urban
vehicle
warning
work