ahead
barricade
barrier
block
blocked
caution
city
close
closed
closure
color
cone
construction
danger
day
detour
divert
driving
end
entry
hazard
highway
improvement
metal
no
nobody
obstacle
obstruction
orange
pattern
red
road
roadblock
safety
sign
signage
site
stop
street
stripe
stripes
traffic
transport
transportation
travel
urban
warning
white
work