Gate Tower Building is a 16-storey office building in, Osaka , Japan . And what makes it an engineering marvel is the highway that passes through the 5th-7th floors of this building. The highway is part of the Hanshin Expressway, a network (239.3 km) of expressways surrounding Osaka , Kobe and Kyoto in Japan. The Gate Tower Building is Japan 's first building to have a highway pass through it.The Umeda Exit of the Ikeda Route of the Hanshin Expressway passes through this building. The elevator doesn't stop on floors 5th to 7th , floor 4 being followed by floor 8. Special care was taken by providing surrounded structure to the highway to protect the building from noise and vibration.