MTS is San Diego's regional public transportation provider serving approximately 3 million people in San Diego county. Get information about our history, MTS board meetings, and more. About MTS Information about the Metropolitan Transit System (MTS) Meetings and Agendas Board of Directors, Board Meetings, Executive Committee, SD&AE, and more Organization Charts Board of Directors information and organization chart. History Timeline of history of Transit in San Diego from the first streetcars to present day. Title VI Policy Information about the MTS Title VI Policy and how to file a complaint Reports, Records, and Policies Ordinances, Policies & Procedures, Resolutions, Reports, Budgets, and more.