abstract
arrow
asphalt
backdrop
background
black
boundary
building
city
concrete
construction
direction
dividing
drive
floor
forward
guidance
highway
lane
line
marking
material
outdoors
paint
pattern
pavement
paving
radio
road
roadway
row
safety
sign
single
space
straight
street
striped
surface
symbol
tar
tarmac
technology
texture
traffic
transportation
urban
way
white
yellow