Transportation in Seoul 2005 AETRA passenger survey, jointly administered by the IATA and Airports Council International, voted it the best airport in the world. It was named by Skytrax as the world's 5th best airport for 2006. Incheon and Gimpo are linked to Seoul by highways, and Gimpo is also linked by subway (line #5). The Incheon International Airport Railroad airport express (or AREX, and styled as A'REX) station is located in the Transport Centre adjacent to the main terminal building and provides high-speed services to Gimpo Airport and Seoul station. There are four types of buses: Seoul has many big intercity/express bus
Incheon International Airport claim that average departure and arrival takes 19 minutes and 12 minutes, respectively, as compared to worldwide average of 60 minutes and 45 minutes, respectively, ranking it among the fastest airports in the world for customs processing. Its duty-free shopping mall has been rated the world's best for three years in a row in 2013 by Business Traveller. Incheon International Airport also claims that it has only a 0.0001% baggage mishandling rate. The airport opened for business on March 29, 2001 to replace the older Gimpo International Airport, which now serves mostly domestic destinations and shuttle flights to several East