Browse Research and Publications - Illinois Center for Transporation by Author "Ouyang, Yanfeng"

  • Ouyang, Yanfeng (2010-07)
    The Illinois Department of Transportation (IDOT) and the Illinois Center for Transportation (ICT) sponsored and hosted the first National Safety Performance Function Summit on July 29 and 30, 2009, in Chicago, Illinois. ...

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  • Ouyang, Yanfeng (2012-10)
    The Illinois Department of Transportation (IDOT) and the Illinois Center for Transportation (ICT) sponsored and hosted the 2010 Highway Safety Manual (HSM) Lead State Peer-to-Peer Workshop November 17–18, 2010, at the ...

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  • Ouyang, Yanfeng (Illinois Center for Transportation (ICT), 2013-11)
    The Illinois Department of Transportation (IDOT) and the Illinois Center for Transportation (ICT) sponsored and hosted the 2012 National State Safety Engineers and Traffic Engineers Peer-to-Peer Workshop on November 14 ...

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  • Jang-Hyeon Jo; Jong-Sung Lee; Ouyang, Yanfeng; Zongzhi Li (2009-09)
    This report introduces the development process of an Internet-based, GIS-compatible software tool for Illinois local road crash analysis. This state-of-the-art tool is capable of performing crash information query, ...

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  • Robert A. Tegge; Jang-Hyeon Jo; Ouyang, Yanfeng (2010-03)
    This report explains the procedure involved in developing Safety Performance Functions (SPF) for the road segments and intersections in the state of Illinois, under the jurisdiction of the Illinois Department of Transportation. ...

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  • Al-Qadi, Imad; Ouyang, Yanfeng; Wang, Hao; Meidani, Hadi; Gungor, Osman E.; Petit, Antoine; Zhao, Jingnan; Qiu, Junjie (Illinois Center for Transportation/Illinois Department of Transportation, 2017-06)
    Permits are one of the most effective and common tools for state agencies to regulate the operation of overweight and oversize vehicles by ensuring the safety of passenger and freight traffic and minimizing damage to ...

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  • Peng, Fan; Ouyang, Yanfeng (2010-03)
    Many traditional planning procedures tend to postpone maintenance, repair, and rehabilitation (MR&R) work until the pavement facility becomes significantly deteriorated. Any repair and rehabilitation work carried out ...

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  • Dhanaraju, Sharan; Ouyang, Yanfeng; Tursun, Umit Deniz (Illinois Center for Transportation (ICT), 2009-06)
    This project studies the feasibility and implementation options for establishing a regional data archiving system to help monitor and manage traffic operations and planning for the northeastern Illinois region. It aims ...

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  • Jiang, Zhoutong; Jadaan, Khair; Ouyang, Yanfeng (Illinois Center for Transportation/Illinois Dnepartment of Transportation, 2016-10)
    When the actual operating speed on the roads exceeds the design speed, which is common on rural highways, the roadway design may become problematic from a safety point of view. This report presents a new methodology that ...

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  • Jiang, Zhoutong.;; Ouyang, Yanfeng (Illinois Center for Transportation/Illinois Department of Transportation, 2017-04)
    “Spillover effect” of red light cameras (RLCs) refers to the expected safety improvement at intersections other than those actually treated. Such effects may be due to jurisdiction-wide publicity of RLCs and the general ...

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  • Heckel, Laura; Ouyang, Yanfeng (2007-08)
    The Illinois Department of Transportation (IDOT) uses the Condition Rating Survey (CRS) procedure to evaluate the condition of pavements and to project their future performance. Since 1994, IDOT has been using mathematical ...

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  • Heckel, Laura; Ouyang, Yanfeng (2007-06)
    The Illinois Department of Transportation (IDOT) surveys every state-maintained roadway in a two-year cycle. Images of the roads are collected digitally and viewed at workstations in the office. The five predominant ...

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  • Heckel, Laura; Ouyang, Yanfeng (2007-08)
    The Illinois Department of Transportation (IDOT) determines a Condition Rating Survey (CRS) value for each roadway section using CRS calculation models. After the rating values have been determined, IDOT uses prediction models ...

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