The roadside accident frequency is higher in mountainous area highway, this is concerned with lacking protection facilities.
山区公路的路侧事故率较高，这与山区公路中缺乏防护设施的保护有关。
Finally, the prediction model of soil erosion amount about a specific highway project during its construction period in mountainous area is analyzed.
最后，通过具体的工程，对山区公路工程建建设期水土流失量的预测模式进行了实证。
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