However, in the section between the Kyotanabe-matsui Interchange and the intersection with National Highway Route No. 170, there are two lanes in each direction from the Hirakata-higashi Interchange to the intersection with National Highway No. 307 (from the interchange of an exclusive section to a crossing of a major highway).
ただし、京田辺松井ICから国道170号交点までの区間でも、枚方東ICから国道307号交点（専用部のインターチェンジから主要道路交差点まで）は片側2車線となっている。