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
Quad City International Airport Quad City International Airport Quad City International Airport is a public airport in Rock Island County, Illinois, three miles (5 km) south of Moline. It is owned and operated by the Metropolitan Airport Authority of Rock Island County. It is partly in Blackhawk Township and partly in Coal Valley Township. In 2012 it was named "Illinois Primary Airport of the Year". Quad City is the third-busiest commercial airport in Illinois – Chicago's O'Hare and Midway International Airports lead the state. The international designation is for being an official port of entry and having a U.S. customs port of entry. A