面對駕駛人，以顏色顯示車路邊緣或該邊緣附近障礙物的標記。
A marker facing drivers that uses colour to show the edge of a carriageway or an obstruction near that edge.
面對駕駛人，以顏色顯示車路邊緣或該邊緣附近障礙物的標記。
A marker facing drivers that uses colour to show the edge of a carriageway or an obstruction near that edge.