accident
alert
asphalt
attention
background
barrier
black
caution
color
concrete
cone
construction
control
danger
driving
equipment
funnel
hazard
highway
icon
industry
line
obstacle
orange
pavement
permission
plastic
pylon
repair
road
row
safety
school
security
separation
sign
signal
site
stop
street
stripped
symbol
traffic
transport
transportation
under
urban
warning
work
yellow