(一)防止路堤边坡的水土流失在新修公路时,必须按设计的边坡修好,并及时在路堤边坡上、护道上或坡脚上进行造林、种草,植树位置如图1、图2。对原有路堤边坡过陡的,必先进行培修,使达到设计边坡,然后进行造林、种草。路基边缘和边坡上的草皮,要坚决禁止刨铲,防止雨水冲刷。 (I) Prevention of soil and water loss of embankment slope During the construction of a new road, the slope must be repaired according to the designed slope and afforestation, grass planting and tree planting should be carried out on the embankment slope, figure 2. If the original embankment slope is too steep, it must be cultivated first so that the design slope can be reached and then afforestation and grass planting can be carried out. Subgrade edge and the slope of the turf, we must resolutely banned shovel to prevent rain erosion.