Kowloon Station is a rail transit station on the Tung Chung Line and the Airport Express of Hong Kong's MTR. The station provides in-town check-in service for passengers departing from the Hong Kong International Airport, with access to shuttle, bus, train, and other forms of transit. This station in the Kowloon development in Hong Kong was designed by Farrells (TPP Farrells). The project included a masterplan for the surrounding Union Square, one of the largest air-rights developments in the world. This development included the tallest tower in Hong Kong, the International Commerce Center.