numbers on the service have also steadily increased, now close to two million passengers each year. In 2008, 6% of visitors to the airport used an Airtrain service. This figure rose to 8% in 2011. Line guide and services Commencing at the Domestic Terminal, all services stop at the International Terminal and then all stations though the Brisbane CBD to at least Roma Street. The typical travel time between Domestic Terminal and Brisbane City is approximately 22 minutes (to Central). This travel time results in an average train speed of . Airport line services run every fifteen minutes during the morning and afternoon weekday peak hours, and every half hour during the off-peak. Most services continue as Gold Coast line services. Passengers for/from the Doomben, Caboolture, Shorncliffe and Redcliffe Peninsula lines change at Eagle Junction, Ferny Grove and Nambour and Gympie North lines at Bowen Hills, and all other lines at Central. Proposed Skygate station Brisbane Airport Corporation has proposed a new station at its Skygate retail park at the south-western edge of the airport. Discussions have taken place with Airtrain Holdings Limited and the Queensland Government. Gallery See also Queensland Rail City network TransLink References External links Airtrain Citytrain TransLink Brisbane railway lines Public transport in Queensland Brisbane Airport Brisbane Railway lines opened in 2001 3 ft 6 in gauge railways in Australia 2001 establishments in Australia