access
architecture
area
attention
barricade
barrier
black
border
borderland
boundary
careful
caution
city
closeup
conspicuous
construction
cordon
danger
dangerous
decor
design
designation
dimensions
drive
line
out
pattern
place
protect
protection
reflective
restricted
restriction
risk
safety
security
sign
stop
street
strip
stripe
striped
symbol
texture
traffic
transportation
urban
warning
yellow
zone