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随着人口的增长和城市的现代化,不仅要求有更多的道路、桥梁,而且要求有更完善的交通设施和科学的管理方法,以与日益繁忙的车辆和行人交通相适应。六十年代以来,渠化交通显示出极大的优越性并迅速得到发展。人、车分行,空间交叉,互不干扰,不仅大大提高了道路的通行能力,且有效地保证了交通安全。专用人行桥、地下人行道等将逐渐成为城市渠化交通的重要组成部分。因此,需要制定人行
With population growth and urban modernization, not only more roads and bridges are required, but also better transport facilities and scientific management methods to meet the increasingly busy traffic and pedestrian traffic. Since the 1960s, canalized traffic has shown great superiority and rapidly developed. People and vehicles branch, space cross, mutual non-interference, not only greatly improve the capacity of the road, and effectively ensure traffic safety. Special footbridge, underground sidewalk, etc. will gradually become an important part of urban canal traffic. Therefore, the need to develop people