accident
alert
arrow
asphalt
barricade
barrier
blocked
bulldozer
caution
city
construction
crack
danger
detour
equipment
excavate
industry
nobody
pavement
pointer
progress
reconstruction
red
renewal
renovation
repair
road
road construction
road sign
roadwork
safety
security
sign
signal
site
stop
street
symbol
tractor
traffic
transport
transportation
triangle
urban
vehicle
warning
way
work
yellow