accident
asphalt
attention
barricade
barrier
boundary
car
careful
caution
cone
construction
danger
direction
driving
emergency
equipment
hazard
highway
indication
lane
line
off
orange
outdoors
prevention
protection
red
repair
road
roadblock
roadside
roadwork
roadworks
row
rush
safety
sign
site
stop
street
tool
traffic
transport
transportation
travel
urban
warning
work