21. Truck Side Billboards: Taking Your Message Into The Communities Where Your Visitors Work, Live, Shop and Play Mobile truck side billboards utilize delivery trucks from large distributors, giving you the ability to target potential customers where they work, live and shop Your ad is on both sides and the back of delivery trucks. This medium drives your message into the community as they deliver to big box stores, grocery stores, restaurants, convenience stores, drug stores, golf courses, Country Clubs, Costco’s, large shopping centers, and much more. These trucks travel local streets and main thoroughfares that are often unreachable with Billboards. One of the great strengths of this medium is the ability to select specific routes.