夜间驾驶条件下LED道路可变信息标志的视认现状调查及分析——以重庆市主城区为例  

Investigation and Analysis on Recognition Status of LED Road Variable Information Signs under Night Driving Conditions——A Case Study of Chongqing City

作　　者：何荥[1,2] 石丹[1] 邱卓涛 HE Ying;SHI Dan;QIU Zhuotao(Faulty of Architecture and Urban Planning,Chongqing University,Chongqing 400045,China;Key Lab of Chinese Education Ministry for Construction and New Technology of Mountain Cites,Chongqing 400045,China)

机构地区：[1]重庆大学建筑城规学院,重庆400045 [2]重庆大学山地城镇建设与新技术教育部重点实验室,重庆400045

出　　处：《照明工程学报》2021年第3期159-165,192,共8页China Illuminating Engineering Journal

摘　　要：为了探究在夜间条件下我国LED道路可变信息标志的使用过程中,屏幕显示字体的亮度、色彩和尺寸大小等信息视认性能相关方面的应用现状以及存在的问题,本文以重庆市主城区为例,对主城区范围内的LED道路可变信息标志进行实地调研,并对6个典型交通节点中的LED可变道路信息标志的信息视认性能相关数据进行测量分析,同时展开对驾驶人员的主观评价问卷调查。结合相关规范,对目前重庆主城区LED道路可变信息标志在夜间条件下的信息视认性能现状以及存在的问题进行分析,并提出了相应的优化和改进建议,旨在为夜间驾驶条件下LED道路可变信息标志的信息识别研究以及发展优化提供一定的参考。In order to explore the application status and existing problems of the brightness,color,size and other information recognition performance of the screen display font in the process of using LED road variable information signs at night,taking Chongqing city as an example,this paper conducts field investigation on the variable information signs of LED roads in the main city area,and analyzes the information visual recognition performance of LED variable road information signs in six typical traffic nodes.A questionnaire survey was conducted on the subjective evaluation of drivers.Combined with relevant specifications,this paper analyzes the status quo and existing problems of information recognition performance of LED road variable information signs in Chongqing main urban area at night,and puts forward corresponding optimization and improvement suggestions,aiming to provide certain reference for information recognition research and development optimization of LED road variable information signs under night driving conditions.

关 键 词：LED道路可变信息标志 字体亮度 字体尺寸 色彩 

分 类 号：U491.52[交通运输工程—交通运输规划与管理]