alert
arrow
attention
background
blank
blue
caution
circle
control
danger
design
direction
drive
entry
forbid
forbidden
highway
information
lane
law
left
message
octagon
prohibited
prohibition
protection
rejection
restrict
right
risk
road
road sign
safety
security
sign
signal
speed
stop
stop sign
street
symbol
traffic
transport
transportation
travel
tsar
urban
vehicle
warning
way