When people think of Outdoor Advertising, they usually think of the colorful billboards along our streets and highways. Included in the "outdoor" classification, however, are benches, posters, signs and transit advertising (the advertising on buses, subways, taxicabs and trains). They are all share similar advertising rules and methods.
Outdoor advertising media
Outdoor advertising reaches its audience as an element of the environment. Unlike newspaper, radio or TV, it doesn't have to be invited into the home. And it doesn't provide entertainment to sustain its audience.