The expressway runs through the long, narrow Kyoto Prefecture from north to south, contributing to enhanced regional cooperation between north and south and the promotion of regional activation, and acts as a belt line in the southern urban areas of Kyoto City, which otherwise lack adequate high-standard road networks.
南北に長い京都府内を縦貫し、府北部と南部の連携を強化、地域の活性化を図ると共に、高規格道路網の脆弱な京都市都市圏の南部外環状道路としての役割を果たしている。