The artist is Scott Wade from Texas
The images are so incredible that motorists often stop at traffic lights and jump out of their own cars to admire them.
See more at A life of car grime
He said: 'I lived on a long, dirt road for over 20 years. Our cars were always dirty and I would often doodle in the dust on the rear windows of our cars.
'Mostly I would draw funny faces, then I started experimenting with ways to get shading.
'At first I would use the pads of my fingers and brush very lightly to get grey tones.
'Once I tried using the chewed-up end of a popsicle stick as a brush - I liked the effect, so I started trying paintbrushes, and eventually developed the techniques I use today.'