alert
car
caution
circle
control
days
drive
emblem
enforce
evacuation
even
forbidden
highway
icon
label
law
legal
metal
no
not
on
outdoors
parking
pole
post
prohibit
prohibited
prohibition
regulation
restriction
road
round
rule
safety
sign
signboard
stop
street
symbol
tow truck
town
traffic
transport
transportation
urban
vehicle
warning
way
zone