The street refers to the section between present-day Obama City, Fukui Prefecture and Demachiyanagi Station, Sakyo Ward in Kyoto City, corresponding to the National Highway Route No. 27 (between Obama City and Kaminaka, Wakasa-cho), National Highway Route No. 303 (between Kaminaka Wakasa-cho and Hozaka, Takashima City) and National Highway Route No. 367 (between Kutsuki, Takashima City and Sakyo Ward in Kyoto City).
現在の福井県小浜市から京都市左京区の出町柳駅までの区間を指し、国道27号（小浜市～若狭町上中）、国道303号（若狭町上中～高島市保坂）、国道367号（高島市朽木～京都市左京区）にあたる。