After the transfer of national capital to the city of Heian-kyo (the ancient capital of Japan in current Kyoto), Toba no Tsukurimichi (Toba New Road) was constructed by extending Suzaku-oji Street directly from the south of Rajo-mon Gate, and the road connected to the Yodo-gawa River System at Toba.
平安京遷都以後、朱雀大路を羅城門から真南に延長した鳥羽作道が作られ、その道は鳥羽で淀川水系と接した。