Shanghai Hongqiao International Airport Republic of China government and, later, the People's Republic of China government. From late 1963, it was rebuilt for civilian use, and was re-opened in April 1964. A major expansion took place from March to September 1984, and another from December 1988 to December 1991. Hongqiao Airport served as Shanghai's primary airport until the completion of Pudong International Airport in 1999, when almost all international flights were moved to Pudong. The airport presently offers mainly domestic flights, as well as five international routes to central Tokyo's Haneda Airport, central Seoul's Gimpo Airport, central Taipei Songshan Airport, Hong Kong International Airport,
Gimpo International Airport of which the airport used to be a part. On 29 November 2003, scheduled services between Gimpo and Haneda Airport in Tokyo, Japan resumed. Services to Shanghai Hongqiao International Airport resumed on 28 October 2007. Services to Kansai International Airport in Osaka, Japan started on 26 October 2008. Services to Beijing Capital International Airport started on 1 July 2011. Services to Taipei Songshan Airport started on 30 April 2012. The airfield was originally constructed in 1935–1942 during the Japanese Imperial period as an Imperial Army base. The runways were built on a bed of rocks manually hauled by Korean laborers