access
arrow
asphalt
black
bump
bumpy
caution
control
crossing
crosswalk
direction
down
drop
empty
forward
gray
hump
journey
jump
lane
line
mount
neighborhood
obstacle
parking
pass
passage
passageway
pavement
risk
road
roadway
route
safety
slow down
speed
stop
street
strip
striped
surface
symbol
tarmac
traffic
transportation
walkway
warning
way
yellow