There is a concept called the 'JR Fukuchiyama Line Branch Track Plan,' in which an airport access railway from JR Itami Station to the nearby Itami Airport would be constructed.
そこで伊丹空港に近いJR伊丹駅から伊丹空港までの空港アクセス路線を建設する「JR福知山線分岐線構想」と言われる構想がある。