Billboards Outlast Radio
Radio is an on the road media, but the consumer has the control. As a billboard advertiser, you control where your ad is seen and the lifestyle group who will see it and it cannot be turned off. Radio broadcasts in a circle, going miles away from your location(s).
There is more traffic on the roads today… so the billboard audience is growing. Radio listening is decreasing due to fractionalization by cell phone use, personal audio devices, satellite choices and personal playlists (Spotify, Amazon Music, Pandora…).