activity
asphalt
asphalting
barricade
boundary
building
caution
center
city
closed
closure
construction
danger
day
detour
driving
equipment
hazard
highway
industry
lane
maintain
metal
no
orange
outdoors
pavement
paving
reflector
renewal
repair
road
roadblock
roadwork
sign
site
street
striped
temporary
thru
tourism
traffic
transportation
travel
vehicle
warning
work
yellow