abstract
backdrop
background
black and white
crossing
crossroad
crossway
diminishing perspective
direction
forward
future
geometric
graphic
gravel
industrial
industry
infrastructure
iron
journey
junction
light
line
locomotive
monochrome
pathway
pattern
perspective
rail
railroad
rails
railway
railway track
road
roadway
speed
station
steel
thoroughfare
track
traffic
train
transport
transportation
travel
vanishing point
way