在扬州西北绕城高速公路沿线互通式立交区的绿化设计和实施中,充分考虑到高速公路的特点,在地形、水和植物这景观绿化3大要素上做文章,既保证取、弃土数量平衡,不致造成新的污染,又保证高速公路的排水和绿化区植物的供水,以及根据不同位置和地形条件合理进行树木远近层次的搭配。 In Yangzhou Northwest Ring Expressway along the interchange of interchanges greening design and implementation, taking full account of the characteristics of the highway in the terrain, water and plants this landscape afforestation on the three elements make an issue, not only to ensure that the amount of spoil Balance, will not cause new pollution, but also to ensure the highway drainage and water supply plants in the green areas, as well as according to the different locations and topographical conditions reasonable distance with the level of trees.