高速公路行程时间可靠性研究综述

Review on Travel Time Reliability Research of Freeways

针对目前国内高速公路运行监控及出行者对出行可靠性的要求,本文从四个方面对高速公路行程时间可靠性的影响因素进行了综述分析。同时,从数理统计、缓冲时间、行程延误和行程时间分布宽度及斜度四个角度出发,总结了高速公路行程时间可靠性的评价指标,并对各指标的特点及适用性进行了归纳分析,最后对高速公路行程时间可靠性在国外的应用和国内未来的发展应用进行了阐述,为未来行程时间可靠性在国内高速公路上的应用提供参考。

This paper analyzes four factors that influence the travel time reliability on freeways according to freeway operational monitoring and the traveler＆#39;s demand for the reliability. The evaluation indexes of travel time reliability were summarized in four＆amp;nbsp;aspects, including mathematical statistics, buffer time, schedule delays, as well as the width and skew of the distribution of travel times. The feature and suitability for each index have been analyzed. Finally, based on the previous research results, this paper analyzed the applications of travel time reliability on freeways in some foreign countries and potential application in China, which could provided some advice for the application of travel time reliability on freeways in the future.