The Los Angeles County Metropolitan Transportation Authority Research Library and Archive is one of the most comprehensive transit operator-owned library resources in the United States. As the only multimodal transportation library in Southern California, we serve employees, the public, governments and research institutions.
The Los Angeles County Metropolitan Transportation Authority Research Library and Archive's digital collection at California Revealed consists of moving images and audio recordings from the 1960s to the 2000s. The collection includes a wide array of transit-related public service announcements and promotional films, as well as documentation of transportation services in Los Angeles.