During 2005 and 2006, the California State Library
One of the results of this research: Billboard ads and Bus Stop ads are now visible on California streets and highways. The Billboard Campaign was designed and placed by Clear Channel where they actually own billboards and bus they have committed to 28 billboards and 70 bus shelters. To date s with many more to be donated. This is a huge ad space donation -- hundreds of thousands of dollars in donated space to California Library Literacy Services
So keep an eye open for these billboards and bus stop ads in Southern California !
Photo: Bus ad - Victory & Olive, Burbank CA