基于运行效率的交通拥堵度量和评价方法被引量：9

Congestion Measurement and Evaluation Based on Traffic Operational Efficiency

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摘要为了合理地度量和评价交通拥堵带来的影响,对交通拥堵度量基准条件和拥堵评价方法进行了研究.基于已有的研究成果,分析了交通拥堵对车辆行驶速度、油耗和尾气排放的影响,并以交通运行效率作为优化目标提出了交通拥堵度量基准的确定方法;为了验证该方法的有效性,应用Van Aerde模型来刻画速度-密度-流率关系,并基于北京四环路交通实测数据,对模型参数进行了估计,分析了基于运行效率的交通流运行状态的存在和运行效率对交通流变化的敏感性;最后,基于所建议的交通拥堵度量基准,给出了交通延误、行程时间指数和效率指数等交通拥堵评价指标计算方法. To measure and evaluate traffic congestion,the baseline for calculating the cost of traffic congestion and methodology for measuring congestion severity was studied.Combined with the existing findings,impacts of traffic congestion on traffic stream speed,fuel consumption and emission of CO;were analyzed and the concept of operational efficiency was defined to synthetically describe traffic states.Taking the operational efficiency as the optimization objective,the methodology of determining the baseline for calculating the cost of traffic congestion was developed.To validate the feasibility of suggested approach,the Van Aerde’s model was used to describe speed-density-volume relationship and the model parameters were estimated based on the field data from the 4;ring road in Beijing.Furthermore,the optimal operational state was obtained and the sensitivity of efficiency to the traffic flow state was analyzed.Finally,the delay caused by congestion,travel time index and efficiency index were reformulated in the light of congestion measuring baseline suggested in this paper.

作者邵长桥郑加菊 SHAO Changqiao;ZHENG Jiaju(Beijing Key Laboratory of Traffic Engineering,Beijing University of Technology,Beijing 100124,China;Taizhou Golden Idea Engineering Technology Development Co.,Ltd.,Taizhou 225300,Jiangsu,China)

机构地区北京工业大学交通工程北京市重点实验室泰州金思路工程科技发展公司

出处《北京工业大学学报》 CAS CSCD 北大核心 2022年第4期401-407,共7页 Journal of Beijing University of Technology

基金国家“973”计划资助项目(2012CB723303)。

关键词交通工程拥堵度量运行效率交通拥堵成本交通拥堵成本计算基准运行效率指数 traffic engineering congestion measurement operational efficiency cost of congestion baseline for calculating the cost of congestion operational efficiency index

分类号 U491.112 [交通运输工程—交通运输规划与管理]

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参考文献1

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