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Experimental Study of Day-to-Day Route-Choice Behavior: Evaluating the Effect of ATIS Market Penetration
Journal of Advanced Transportation ( IF 2.3 ) Pub Date : 2020-07-11 , DOI: 10.1155/2020/8393724
Shixu Liu 1, 2 , Lidan Guo 1 , Said M. Easa 3 , Hao Yan 1 , Heng Wei 2 , Yingnuo Tang 1
Affiliation  

This paper examines the travelers’ day-to-day route-choice behavior with Advanced Traveler Information Systems (ATIS) through laboratory-like experimental method. Five groups of route-choice behavior experiments are designed to simulate actual daily behavior of travelers. In the experiment, subjects are provided with different levels of the complete road network information to simulate the proportion of subjects equipped with ATIS equipment (i.e., ATIS market penetration) and choose the routes repeatedly. The subject’s route-choice behavior under different proportions of complete road network information is analyzed, and the strategy of releasing such complete information is determined when the performance of road network system is the best. The Braess network which consists of three routes was used in the experiment and analysis. The results show that the fluctuation of traffic flow runs through the entire experiments, but it tends to converge to user equilibrium. When the market penetration is 75%, both the fluctuation of traffic flow and the tendency of subjects to change routes are the smallest, so the road network system is the most stable. This interesting result indicates that releasing traffic information to all travelers is not the best. Other results show that the travel times of the three routes in the five groups of experiments tend to converge to and finally fluctuate around user-equilibrium travel time. With the increase in ATIS market penetration, the average travel time of subjects in each round tends to increase. The overall trend of the five groups of experiments is that as the number of route switches increases, the average travel time increases. The results also indicate that releasing traffic information to all travelers cannot weaken the Braess Paradox. On the contrary, the more travelers are provided with traffic information, the less likely it will weaken the Braess Paradox.

中文翻译:

日常路线选择行为的实验研究:评估ATIS市场渗透率的影响

本文通过类似实验室的实验方法,通过高级旅行者信息系统(ATIS)研究了旅行者的日常路线选择行为。设计了五组路线选择行为实验,以模拟旅客的实际日常行为。在实验中,为受试者提供不同级别的完整道路网络信息,以模拟配备ATIS设备的受试者的比例(即,ATIS市场渗透率)并重复选择路线。分析了在不同比例的完整路网信息下,受试者的路线选择行为,并在最佳路网系统性能时确定了释放完整信息的策略。实验和分析使用了由三个路径组成的Braess网络。结果表明,交通流量的波动贯穿整个实验过程,但趋于收敛到用户平衡。当市场渗透率为75%时,交通流量的波动和主体改变路线的趋势都最小,因此路网系统最稳定。这个有趣的结果表明向所有旅行者发布交通信息并不是最好的选择。其他结果表明,在五组实验中,这三种路线的旅行时间趋于收敛,最终围绕用户平衡旅行时间而波动。随着ATIS市场渗透率的提高,每一轮受试者的平均旅行时间趋于增加。这五组实验的总体趋势是,随着路线切换数量的增加,平均行驶时间也会增加。结果还表明,向所有旅行者发布交通信息不会削弱Braess Paradox。相反,向旅行者提供的交通信息越多,减弱Braess Paradox的可能性就越小。
更新日期:2020-07-13
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