San Diego International Airport Lindbergh Field is located 3 miles from downtown and provides major domestic and foreign air service from 18 passenger carriers and 6 cargo carriers. In 2004, 16 million passengers used the airport. Amtrak's Pacific Surfliner route carries passengers from San Diego through Los Angeles, Oxnard, and Santa Barbara, to San Luis Obispo. Amtrak's San Diego station is in the historic Santa Fe Depot, north of Seaport Village. A commuter rail service, The Coaster, runs between San Diego, Solana Beach, Encinitas, Carlsbad, and Oceanside.
San Diego is located at the junction of two major north-south routes that originate in Canada. Interstate 5 from Los Angeles and I-15 from Las Vegas meet in San Diego and continue to the Mexican border. I-8 enters San Diego from the east.
The San Diego Transit Corporation, the largest of San Diego county's bus operators, has a fleet of 275 buses traveling 29 routes covering San Diego, El Cajon, La Mesa, National City, as well as portions of San Diego County's unincorpo-rated area. The San Diego Trolley travels in the downtown area, through Mission Valley and east county communities, and to the Mexican border. Carriage rides through the downtown area are available from Embarcadero Marina Park.