Commonly known as Fiumicino Airport or Leonardo da Vinci Airport, it is an international airport serving Rome. It is also the busiest airport in Italy. Lying almost 30 km outside the Roman city center, the airport is connected to the city via train, bus and taxi services. Leonardo Express offers the fastest and most efficient commute. Bus services can also be found outside the airport. Licensed taxi ranks are available outside Terminal 1 and 3.