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驾驶员是交通系统的主体,公路线形是否符合驾驶员的认知规律与交通安全息息相关。驾驶员获取公路信息的主要途径是视觉,公路可视信息是驾驶员做出判断的关键。在双车道公路设计中如何更符合驾驶员的使用要求,以保障安全和提高服务水平是一个日益受到关注的问题。文章通过归纳、总结国内外在公路线形与驾驶员视觉之间关系方面的实践经验以及相关研究成果,初步分析了视觉与线形之间的关系,探讨了考虑视觉一致性的双车道公路线形设计中应重点考虑的问题,以及相关的研究和工作的建议。
The driver is the main body of the traffic system. Whether the road alignment conforms to the driver’s cognitive rules is closely related to traffic safety. Driver access to road information is the main way of visual, visual information on the road is the driver to make the key judgments. How to better meet the requirements of driver in two-lane highway design to ensure safety and improve service level is an issue of increasing concern. Through summarizing and summarizing the practical experience of the relationship between highway alignment and driver’s vision at home and abroad and the related research results, the article initially analyzed the relationship between vision and linearity, and discussed the design of two-lane highway alignment considering the visual consistency Key issues to consider, as well as relevant research and work recommendations.