Gimpo International Airport Terminal 2 was opened due to the Olympic Games. However, Gimpo began to take more flights than it is capable of handling. Since 1980, Gimpo met a lot of problems, due to its lack of space to expand. A major problem is that it has a curfew, which means arrivals and departures are strictly prohibited during the night. Due to these problems, the South Korean government decided to build a new airport. It was actually planned in Cheongju, 124 kilometres away from Seoul, but it was strongly opposed by Seoul and Gyeonggi Province citizens due to its inconvenience (it would
Gimpo International Airport two passenger terminals, and one cargo terminal. In 2016, the ten carriers with the largest percentage of passengers flying into, out of, or through Gimpo International Airport are as follows: Korea Airports Corporation (KAC) has its headquarters on the airport property. The Aviation and Railway Accident Investigation Board (ARAIB) has its FDR/CVR Analysis and Wreckage Laboratory on the property of the airport. When the predecessor agency Korea Aviation Accident Investigation Board (KAIB) existed, its CVR/FDR and wreckage laboratory was located on the airport property. On 23 March 2007 the AREX airport express line started operations to Incheon International Airport, with