attention
barricade
barrier
bent
blockade
blue
brown
closed
closure
colors
curved
design
fence
flat
force
frames
gray
green
icons
law
limit
observance
obstacle
orange
outlines
plain
purple
red
regulation
road
roadblock
rounded
roundedsquare
route
set
simple
squares
streaked
streaky
street
striped
template
theme
traffic
userinterface
vaulted
warning
yellow