abstract
aid
area
asphalt
assistance
background
black
blacktop
blue
car
chair
designate
designated
disabled
drive
empty
grainy
handicap
health
indicate
indicator
information
line
mark
medical
notice
park
pattern
paved
permit
physically
prohibit
prohibited
represent
representation
reserved
restricted
road
roadway
safety
service
shape
space
symbol
symbolization
symbolize
traffic
transport
transportation
wheelchair