普通公路路侧限速标志设置位置的确定方法  

Setting location of speed limit signs along highway

作　　者：陆建[1] 姜军[1] 叶海飞 

机构地区：[1]东南大学江苏省交通运输规划与管理重点实验室,江苏南京210096 [2]深圳市综合交通设计研究院,广东深圳518033

出　　处：《长安大学学报（自然科学版）》2011年第1期74-78,共5页Journal of Chang’an University(Natural Science Edition)

基　　金："十一五"国家科技支撑计划项目(2007BAK35B02);教育部新世纪优秀人才支持计划项目(NCET-08-0115);江苏省普通高校研究生科研创新计划项目(CX08B_130Z);江苏省青蓝工程基金项目

摘　　要：路侧限速标志的设置位置是影响其有效性的一个重要因素。基于驾驶人的视觉反应、认知特性,分析了驾驶人视认交通标志过程中主要参数的计算方法,根据驾驶人视认限速标志和完成减速操作要求的最小时间,建立了最小前置距离计算模型;并根据短时记忆特性,以驾驶人对限速标志信息短时记忆即将消失时发现限速路段起点处设置的限速标志为原则,建立了最大前置距离计算模型,进而确定了路侧限速标志的最佳设置位置,并通过算例对模型进行了验证。结果表明,所提出的模型可以帮助确定路侧限速标志的最佳设置位置,避免以往依靠经验设置的随意性,提高了限速标志的有效性。The setting location of speed limit signs is an important factor that affects their valid ity. This paper studied the setting location of speed limit signs based on driver＇s visual response, cognitive characteristics. The calculation method of the main parameters during the recognition process was analyzed, a calculation model to determine the minimum pre-distance was established based on the minimum time that drivers required to recognize the speed limit signs and complete deceleration operation, then a maximum pre-distance calculation model was established based on the principle that drivers discover the speed limit signs setting at the entrance of speed limited roads just when the short-term memory about the speed limit information nearly disappeared, to determined the best setting location of speed limit signs. An example was given and verified the practicality of this method. It is found that this method can help to determine the best setting location of speed limit signs, avoid the arbitrary setting based on experience, and improve the validity of roadside speed limit signs. 2 tabs, 4 figs, 12 refs.

关 键 词：交通工程 限速标志 设置位置 驾驶人特性 

分 类 号：U491.52[交通运输工程—交通运输规划与管理]