高速公路以其“安全、畅通、快速、高效”的特点,促进了社会物质、文化交流,加快了信息传递,缩短了人类的时空观念,扩大了活动范围,在人们日常生活及经济活动中的作用越来越大。但与此同时,高速公路产生的负面影响即对环境污染问题也日益突显起来,高速 Expressway has promoted social material and cultural exchange, accelerated information transmission, shortened mankind’s concept of time and space, and expanded the range of activities in people’s daily life and economic activities, with its characteristics of “safe, smooth, rapid and efficient” The role of more and more. However, at the same time, the negative impact caused by expressways, that is, the problem of environmental pollution, has become increasingly prominent. High-speed