《中华人民共和国公路法》和《公路安全保护条例》指出,公路建筑控制区是从公路用地外缘起,国道不少于20米,省道不少于15米,县道不少于10米,乡道不少于5米的区域。划定公路建筑控制区是考虑到公路本身的发展远景,为将来公路的拓宽改建留出空间,同时有效地保护公路和公路附属设施,并防止公路街道化,确保公路上的驾驶人员有开阔的视野,促进行车安全。公路管理的法律法规明确 The “Roads Law of the People’s Republic of China” and the “Regulations on Road Safety Protection” point out that the control zone of highway construction starts from the outer edge of highway land, with a minimum of 20 meters of national highway, a provincial highway of not less than 15 meters, a county highway of not less than 10 meters, Country Road, not less than 5 meters of the area. The delineation of the control zone of the highway construction takes into account the development prospect of the highway itself and leaves room for future widening and reconstruction of the highway while effectively protecting the highway and ancillary facilities and preventing the road from becoming inaccessible and ensuring that the drivers on the highway have an open Vision, to promote traffic safety. The laws and regulations of highway management are clear