National Route 162 is one of the main roads, known as former Shuzan-kaido, and Kukiga-saka Slope has been also famous as a chokepoint on the road.
国道162号はかつての周山街道としてその名を知られる街道筋であるが、九鬼ヶ坂もその街道の難所として広く知られてきた。