asphalt
attention
background
barricade
barrier
beacons
boundary
build
cars
caution
closed
closure
congestion
construction
danger
day
detour
downtown
driving
hazard
industrial
information
metal
no
orange
outdoors
pavement
reflector
repair
risk
road
roadblock
rush
safety
sign
site
slow
street
striped
temporary
thru
traffic
traffic obstruction
transport
transportation
travel
warning
white
work
yellow