In this case the car IS the road and called the “road car” brought to you by Brian in Michigan. The paint is that spray stone texture with some added black splatters. The double yellow lines are custom mixed house paint so that it peels and flakes with age JUST LIKE REAL ROAD LINES. By the way it shoots blood from the windshield wiper sprayers.
Close up of the “road car” texture. This is after a test spraying from the windshield wiper “blood” while going 60mph. The rain helped it flow better and wash off easily.