The first half of it runs through the highlands, skirting slopes and spanning canyons. After the Tsaoling Tunnel, the vistas broaden to reveal the ocean and Turtle Mountain Island.
前半段在山間奔馳，穿山越嶺；穿過草嶺隧道後視線豁然開朗，大海在望，龜山島一路相隨。