Airport rail link Airport), Brussels National Airport railway station (which opened in 1958 and serves Brussels Airport) and Frankfurt Airport regional station (which opened in 1972 and is one of the two railway stations that serve Frankfurt Airport). Integration with intercity services has produced alliances where airlines sell air tickets that include the connecting rail service. Central Europe has seen integration of high-speed rail into airports, with domestic and international TGV and ICE services from Charles de Gaulle Airport in Paris and Frankfurt Airport. Because of this, many airport railway stations have received IATA codes. Yet another option for airports is to use
Berlin Brandenburg Airport into operation on 16 March 2018. The U-shaped terminal building of Berlin Brandenburg Airport was designed by gmp architects. They are the same company which designed the hexagonal Terminal A at Tegel Airport which opened in 1974. At BER the terminal sits between the two runways, creating a so-called "midfield airport" above the underground train station. The terminal has four public levels designated 0, 1, 2 and 3. The check-in area is located in the public area at Level 1 and houses 118 counters organised in eight clusters, called "check-in isles". Planners anticipate that a significant number of passengers will