San Francisco airport (SAN) is well established as one of the premier gateways to the Pacific. It is one of the busiest airports of the US, handling both domestic flights and international connections for the Pacific Rim, Europe and Latin America. The San Francisco International airport serves the city of San Francisco, Silicon Valley and the wider Bay Area. Located in San Mateo County, San Francisco airport is about 14 miles south of San Francisco downtown.
The SFO airport is circular in form with four terminals, including the new international terminal. It is laid on a two-level roadway system. South Terminal handles domestic airlines including Continental, Delta, Northwest, TWA and US Airways flights as well as Air Canada. North Terminal is for American Airlines, Canadian Airlines and United Airlines. The International terminal works for all non-US airlines and International flights.
SFO airport is served by internal transit system, AirTrain that links various parts of the airport including four terminals. There is also a Metro rail service that runs between the airport, the city and the Bay area. You can find other transport facilities such as vans, taxis, limousines and charter operators. At SFO airport, ground transportation information is available from the Airport Information and Travelers Aid Booths. The San Francisco international airport offers a wide range of amenities and services, from sushi restaurants to cozy seating areas and medical facility. The Recreation Center, children's area and library are available for passengers.