In particular, Fukuchiyama Station of JR West plays a key role in the North Kinki Big X Network promoted by JR-West, and since it is a junction of Sanin Main Line, Fukuchiyama Line, and Miyafuku Line of Kitakinki Tango Railway; people can travel to Kyoto Station, Osaka Station, Miyazu Station, Amanohashidate Station, Wadayama Station, Toyooka Station (Hyogo Prefecture) and Kinosaki Station by limited express train without transferring.
特にJR西日本の福知山駅はJR西日本が掲げる北近畿ビッグXネットワークの中心部を担い、山陰本線、福知山線、北近畿タンゴ鉄道宮福線の合流点でもあり京都駅、大阪駅、宮津駅、天橋立駅、和田山駅、豊岡駅(兵庫県)、城崎温泉駅へは特別急行列車で乗り換えなしに行くことができる。