20
ahead
alert
alley
area
asphalt
attention
bright
building
caution
city
colorful
construction
danger
disadvantaged
dormitory
empty
equipment
highway
industry
infrastructure
nobody
pattern
pavement
problem
repair
road
roadworks
russia
safety
sign
signs
site
slow down
speed
stop
street
symbol
traffic
transport
trees
triangle
urban
vehicle
view
warning
way
work
yellow