英文關鍵字
area
attention
automobile
background
black
canada
canadian
car
caution
choice
city
communication
concept
cone
country
crosswalk
danger
decision
design
display
drive
driving
forbidden
forest
graphic
green
guide
halt
icon
illegal
illegally
illustration
info
information
isolated
law
limit
metal
nature
notice
object
ontario
outdoors
park
parked
parking
post
prohibit
prohibited
prohibition
red
regulation
restricted
restriction
road
roadsign
rule
rural
safety
sign
signage
signal
signpost
stop
street
symbol
text
traffic
transport
transportation
trees
urban
violation
warning
white
woods
zone