Berlin Tegel Airport is notable for its hexagonal main terminal building around an open square, which makes walking distances as short as from the aircraft to the terminal exit. The airport was scheduled to close in June 2012 after Berlin Brandenburg Airport (BER) opened, but due to ongoing delays with BER, the future of Tegel is uncertain. A campaign was launched to keep Tegel Airport open, which gathered signatures for a referendum for voters to decide on the future of the airport. While the referendum was non-binding, it did result in a majority of votes cast in favor of keeping Tegel open and
Airport City Manchester Construction Engineering Group. It was scheduled to open in 2016. Enterprise Way, a new road within the site, started construction in January 2017 and will be completed by February 2018. Airport City Manchester Airport City Manchester is an £800 million expansion of Manchester Airport currently under construction. The plan will follow an airport city model with the aim of stimulating the Greater Manchester economy by creating on-site logistics, manufacturing, office and leisure facilities. Manchester Airport will become the first airport in the United Kingdom to build an airport city. Manchester Airport is the third-busiest airport in the United Kingdom after