train tracks in oblique view across switch rails

railroad closeup stones tracks travel lines metal steel train rail ties wood linear pattern design west east switch rocks oblique manifest destiny iron horse locomotive aggregate railroaders railfan railbuff line laid gauge narrow riding travel mass transit path effort history american americana historical historic laying romantic romanticized nostalgia nostalgic distance efficiency speed energy coal fired fossil fuels Industrial Revolution metaphor metaphoric metaphorical southwest flat gradient low metro north acela csx cargo shipping railway railroadiana