Phoenix Sky Harbor International Airport (airport code PHX) is the nation's 10th busiest airport and is 18th busiest in the world for passenger traffic. Sky Harbor has three terminals, 2-4. Terminal 1 was demolished in 1990 after Terminal 4 was built and the other terminals were never renumbered. Each terminal has its own Pet Park for those traveling with companion animals. Located three miles east of downtown Phoenix, SuperShuttle offers 24-hour door-to-door service between the airport and resorts, hotels and homes throughout the Valley. Taxis and rental cars are also available. Seventeen airlines serve the airport. Sky Harbor recently received its sixth perfect FFA certification safety inspection in a row.