Prior to the rerouting of the River Yamato, Tatsuta-goe Nara Kaido once met with and parted from other highways such as 'Nagao Kaido' and 'Higashi Koya Kaido' at a place along its route where 'Kawachi Kokufu' (Kawachi Province's office) stood (today's Kou, Fujiidera City).
かつて、大和川付け替え前は、途中の「河内国府」（現在の藤井寺市国府）で「長尾街道」「東高野街道」と離合した。