asphalt
bitumen
blue
border
boundary
broken
continuity
country
curve
dark
dashed
diminishing
discrete
dividing
dotted
double
empty
faltering
forest
green
highway
intermittent
interrupted
irregular
lane
line
macro
marking
meadow
middle
midsection
narrow
nature
nonurban
outdoors
perspective
road
roadside
rough
rural
shoulder
single
sky
striped
summer
transportation
two
vanishing
verge
vertical
way
wayside
wood
yellow award