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attention
under
transportation
urban
work
detour
caution
street
driving
fix
barricade
build
roadside
maintenance
warning
alert
repair
limit
highway
bypass
barrier
obstacle
vehicle
closed
sign
lane
reconstruction
traffic
construction
city
roadwork
service
restriction
line
direction
site
asphalt
safety
security
signal
danger
improvement
cone
car
turn
road
equipment
industry