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中南大学学报(英文版)

Journal of Central South University

Vol. 24    No. 6    June 2017

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Evaluation of mobility impact on urban work zones using statistical models
LIU Pei(刘培)1, ZHANG Jian(张健)1, QU Jun-rong(曲俊蓉)1, LU Jia-jian(陆加健)1, CHENG Yang(程阳)2, TAN Hua-chun(谭华春)3

1. Jiangsu Key Laboratory of Urban ITS, Southeast University; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies; Jiangsu Province Collaborative Innovation Center for Technology and Application of Internet of Things, Southeast University, Nanjing 210096, China;
2. Traffic Operations and Safety (TOPS) Laboratory, Department of Civil and Environment Engineering,University of Wisconsin-Madison, Madison 53706, USA;
3. Department of Transportation Engineering, Beijing Institute of Technology, Beijing 100081, China

Abstract:This work correlated the detailed work zone location and time data from the WisLCS system with the five-min inductive loop detector data. One-sample percentile value test and two-sample Kolmogorov-Smirnov (K-S) test were applied to compare the speed and flow characteristics between work zone and non-work zone conditions. Furthermore, we analyzed the mobility characteristics of freeway work zones within the urban area of Milwaukee, WI, USA. More than 50% of investigated work zones have experienced speed reduction and 15%-30% is necessary reduced volumes. Speed reduction was more significant within and at the downstream of work zones than at the upstream.

 

Key words: ITS data; mobility impact; work zone; statistical model

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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