Berlin Tegel Airport the city government subsequently announced to look into the possibilities of doing that again. However, the two other airport shareholders – the German federal state as well as the state of Brandenburg – already declined any change of plans and confirmed the planned closure of Tegel. Future plans also involve the redevelopment of Berlin Tegel Airport into the Urban Tech Republic, 221 hectares of building land will be available for up to 800 companies with some 17,500 employees in the Research and Industrial Park alone. In the central airport terminal, the Beuth University of Applied Sciences will establish the scientific
Detroit Metropolitan Airport the county expanded the airport to become Detroit's primary airport. It renamed the facility Detroit-Wayne Major Airport in 1947, and in the next three years expanded threefold as three more runways were built. In 1949, the airport added runways 3L/21R and 9L/27R, followed by runway 4R/22L in 1950. In 1946–47, most airline traffic moved from the cramped Detroit City Airport (now Coleman Young International Airport) northeast of downtown Detroit to the larger Willow Run Airport over west of the city, and west of Wayne County Airport. Pan-Am (1954) and BOAC (1956) were the first passenger airlines at Detroit-Wayne Major. In