access
area
background
ban
barricade
barrier
block
blocked
business
caution
closed
concept
danger
design
do not enter
entrance
entry
forbidden
gate
icon
illustration
information
keep
keep out
nature
no
no entry
nobody
outdoor
private
prohibition
protection
red
restricted
restriction
rules
safety
security
sign
signage
stop
symbol
text
tourism
traffic
travel
warning
white
yellow