Topper is a toy the client purchased. Checkers & lettering are fondant, checkered flags are cookies with fondant, Route 66 sign is cookie with fondant, brick road on top is fondant done with impression mat.

(See my second photo for better side view of cacti, rocks etc.)

Thanks to SO many of the members for submitting your Cars cakes on here. I scrolled through 25 pages of them getting inspiration. Special thanks to Pish for her cake design. I was inspired by it.