The reason yard signs and other printed political signs are effective and maybe even more so today is that they cannot be ignored when placed at a busy intersection or in a neighbors yard. This has become increasingly important with the public's ability to turn off other traditional forms of advertising and messaging. Like television and radio commercials. That said the only challenge is that in most cases your sign is found among at least five to a dozen other political signs. Because of this messaging on a Mobile Billboard is not only targeted, extremely effective, and yields one of the lowest cost per impressions rates it will also allow for your key points or issues to be highlighted with out the noise of the other signs or commercials that are aired one after another.