Performance Evaluation of Bus Routes Using Automatic Vehicle Location Data
Publication: Journal of Transportation Engineering
Volume 142, Issue 8
Abstract
Real survey data are of considerable significance for transit planners and operators to assess the performance of a bus route and then improve its level of service. Automatic vehicle location (AVL) system is a convenient tool to collect a large amount of real data from buses. This paper aims to propose a methodology to evaluate the operational performance of a bus route based on AVL data. First, several statistical indexes are selected for the evaluation, including percentile travel times, coefficient of variation (COV) of travel times, and average commercial speed and travel time distribution. Moreover, spatial and temporal features of travel time variation and transit regulation indexes are analyzed. Then the bus route with transit signal priority and dedicated bus lane in Suzhou, China, is taken as a case study to validate the proposed methodology. Numerical tests indicate that the most influential feature of travel time is its spatial and temporal patterns, which vary across segments and time-of-day intervals. Bus lane violation and route repetition may undermine the efficiency of priority measures. In addition, the schedule design has important impacts on the adherence and headway regularity.
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Acknowledgments
This research is funded by a project (51278468) supported by National Natural Science Foundation of China, and Natural Science Foundation of Jiangsu Province in China (BK20150603). The authors thank Professor Qiang Meng for his helpful advice on this work. We also thank the Public Transport Company of Suzhou for providing the data used in this study.
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Information
Published In
Journal of Transportation Engineering
Volume 142 • Issue 8 • August 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Sep 5, 2014
Accepted: Jan 29, 2016
Published online: Apr 7, 2016
Published in print: Aug 1, 2016
Discussion open until: Sep 7, 2016
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