abstract

object

people

plastic

police

protect

protection

red

restricted

restriction

ribbon

risk

safety

security

sign

site

stop

strip

stripe

striped

symbol

tape

motion

market

line

forbidden

accident

attention

background

barricade

barrier

blur

blurred

bright

building

urban

care

city

concept

construction

crime

customer

danger

dangerous

design

entry

fence

caution

warning