abstract
asphalt
asphaltic
background
black
braking
car
city
covering
direction
distance
dividing
empty
gray
grey
industrial
industry
length
line
lot
mark
marking
material
nobody
outdoors
paint
park
parking
pavement
paving
place
road
rough
sign
skid
slot
space
stop
surface
texture
trace
track
traffic
transport
tread
way
wheel
white