| Advantage Interlock: Work to provide an effective, ethical, and user-friendly program to assist in the reduction of alcohol-impaired driving. |
| Courtesy Auto Rental: Rents cars, trucks, and vans for use in USA and Mexico. Locations in Chula Vista and El Cajon. Rates, requirements, and online reservation form. |
| Double Decker Bus & Tours: Charters authentic English double-decker busses for special events. Air-conditioned coaches also available. Descriptions and policies. |
| Go To Tijuana: Information about border parking, border shuttles, coach transportation and the Tijuana Tourist Terminal, for the tourist planning a trip from the San Diego area to Tijuana and Baja California. |
| Port of San Diego: Manages San Diego Harbor, San Diego International Airport-Lindbergh Field, two maritime terminals and one cruise ship terminal; and the public lands along San Diego Bay. |
| San Diego Metropolitan Transit System: Official site, with information about interactive trip planning and transit services. Includes maps, fares, and schedules for buses, trolley, and commuter rail. |
| The Wave: High-speed ferry and shuttle service between Dolphin Dock, Oceanside, and Downtown San Diego. Schedules and fares. |
| Transit Rider San Diego County: Information on all types of public transportation in San Diego County. |