40
ahead
asphalt
attention
automobile
background
building
car
caution
city
color
construction
danger
day
different
drive
driving
highway
information
limit
maintenance
movement
object
outdoors
red
repair
repairs
road
roads
roadsign
route
rules
safety
shape
sign
signal
signs
speed
street
sunny
symbol
temporary
traffic
transport
triangle
two
urban
warning
way
works