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
George Bush Intercontinental Airport was the third terminal to be built at the airport, opening in 1981. It was designed by the Houston firm of Airport Architects, a joint venture of Golemon & Rolfe Architects and Pierce and Pierce Architects. Terminal C has 31 gates. The terminal includes the airport's interfaith chapel. The terminal underwent renovations from 2000 to 2005, designed by Gensler. On May 11, 2015, the airport broke ground on the airport's new Terminal C north concourse, which opened in March 2017. In March 2017 United also opened a Global Reception area for Global Services and Global First check-in which directly connects