accident
area
attention
background
barricade
barrier
boundary
caution
construction
cordon
crime
cross
danger
dangerous
equipment
fence
forbidden
hazard
hazardous
interdictory
line
murder
object
poland
police
policja
polish
protect
protection
red
restrict
restricted
restriction
ribbon
safety
secured
security
sign
site
stop
stripe
striped
symbol
tape
traffic
trespassing
violence
warning
white
zone