Today, the route for the Higashi Koya-kaido road corresponds to or runs in parallel to most of the Nagao-Yahata Line which is an Osaka prefectural road and Kyoto Prefectural Road No. 735, Hirakata Bypass, Hirakata-Katano-Neyagawa Line which is Osaka Prefectural Road No. 18, Hirakata-Tondabayashi-Izumisano Line which is Osaka Prefectural Road No. 20, and National Road No. 170 (old road).
現在では、大阪府道・京都府道735号長尾八幡線、枚方バイパス、大阪府道18号枚方交野寝屋川線、大阪府道20号枚方富田林泉佐野線と国道170号（旧道）各道の大半に相当または平行する。