The Los Angeles County Metropolitan Transportation Authority Research Library and Archiveis 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. Our collection contains approximately 250,000 items of significance to Los Angeles transportation history from 1873 to the present. This includes 45,000 books, reports, studies, conference proceedings, plans, maps, and drawings, 20,000 microfiche reports, more than 20,000 photographs and images, over 700 videos, several thousand ephemera, and a growing collection of publicly-accessible full-text digital documents. The Library catalog can be searched via the Internet as well as from Internet-capable mobile devices.