In the section between Horikawa-Imadegawa and Horikawa-Oike-dori Street, Hori-kawa River is open (not a closed circuit) as described below, and both Higashi-horikawa-dori Street and Nishi-horikawa-dori Street run in parallel.
堀川今出川から堀川御池通は後述の通り堀川が明り区間で、東西堀川通が並び残っている。