Landscaping and hedge and tree planting on the sides and central reservations should be arranged to provide a pleasant and interesting outlook for the road users, to avoid monotony and boredom.

• 为了避免单调、乏味,给使用者提供一个赏心悦目的环境,道路两侧要进行美化,设置栅栏,种植树木,路中心要设置分隔带。