Browse Research and Publications - Illinois Center for Transporation by Title

  • Tutumluer, Erol; Sarker, Priyanka (Illinois Center for Transportation/Illinois Department of Transportation, 2015-07)
    In this research study, 20 pavement sections were selected from six counties in Illinois, with varying structural and traffic characteristics. Falling weight deflectometer (FWD) tests were conducted on these road segments ...

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  • Al-Qadi, Imad L.; Ozer, Hasan; Zhu, Zehui; Singhvi, Punit; Mohamed Ali, Uthman; Sawalha, Mohammed; Espinoza Luque, Arturo Francisco; Garcia Mainieri, Javier Jesus; Zehr, Thomas G. (Illinois Center for Transportation/Illinois Department of Transportation, 2019-08)
    The objective of this study was to evaluate long-term aging effects on asphalt mixtures using the Illinois Flexibility Index Test (I-FIT) and to develop a corresponding long-term aging protocol. The study recommended the ...

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  • Bhattarai, Rabin; Kalita, Prasanta; Gautam, Sudip; Howard, Heide; Svendsen, Niels; Gambill, Daniel (Illinois Center for Transportation/Illinois Department of Transportation, 2016-11)
    The Illinois Department of Transportation (IDOT) and local agencies monitor and regulates the 146,764 mi of roadway that are open to public travel in the State of Illinois. There are many old and aging bridges, culverts, ...

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  • Hiller, Jacob E. (2007)
    In an attempt to better understand and predict concrete pavement behavior, the incorporation of material and climatic factors in mechanistic-empirical design methods is fast becoming a necessity. With the wide range of ...

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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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  • Ozer, Hasan; Ziyadi, Mojtaba; Faheem, Ahmed (Illinois Center for Transportation/Illinois Department of Transportation, 2018-04)
    The implementation of a pavement preservation program was initiated in Fiscal Year (FY) 2005 at the Illinois Department of Transportation (IDOT) by appropriating funding for four specific pavement preservation treatments. ...

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  • El-Rayes, Khaled; Liu, Liang Y.; El-Gohary, Nora; Golparvar Fard, Mani; Halabya, Ayman (Illinois Center for Transportation/Illinois Department of Transportation, 2016-01)
    Public agencies are required by state and federal laws to provide accessibility on their right-of-way (ROW). Failure of public agencies to provide accessibility on their ROW has resulted in costly settlements. Accordingly, ...

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  • Kuchma, Dan; Hart, Christopher (Illinois Center for Transportation, 2009-08)
    Prestressing strands, bent into loops and cast within beams, are the most common anchorage system used for handling precast beams. No national guidance exists for the design of lifting loops in members that are shallower ...

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  • Hall, James P.; Buttlar, William G.; Burke, Kevin, III (2013-06)
    The Illinois Department of Transportation (IDOT) offers multiple technology transfer courses for engineering, project design, and safety training for state and local agency personnel. These courses are often essential to ...

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  • Qi, Yan; Vennu, Ravali; Pokhrel, Roshan (Illinois Center for Transportation/Illinois Department of Transportation, 2020-04)
    With the increased use of electronic devices, distracted driving is assumed to be one of the main causes of crashes. The Illinois Department of Transportation (IDOT) has demonstrated interest in addressing distracted ...

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  • Schattler, Kerrie L.; Rietgraf, Ashley; Burdett, Beau; Lorton, William (2013-06)
    In spring 2010, the Illinois Department of Transportation initiated an areawide implementation of the flashing yellow arrow (FYA) as the display for the left-turn permissive interval at more than 100 intersections operating ...

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  • Benekohal, Rahim F.; Tirums, Courtney M.; Wang, Stanley L.; Forrler, Earl R. (2000-01)
    This study analyzed truck drivers' opinions about application of intelligent transportation systems (ITS) technologies to commercial vehicle operations (CVO). As part of the evaluation of Automatic Vehicle Identification ...

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  • Benekohal, Rahim F.; Chitturi, Madhav V. (2002-12)
    This study evaluated the performance of the LED modules from four manufacturers (Leotek, Gelcore, Dialight and Precision Solar) who provided the required number of LEDs for testing and evaluation at the Traffic Operations ...

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  • Kuchma, Daniel; Hart, Christopher; Hahin, Christopher (2011-09)
    This was the first phase of an investigation to determine the suitability of free-cutting brass couplings for use in minimizing vehicular damage and driver or passenger injury when light poles are impacted. Breakaway couplings ...

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  • Qamhia, Issam; Tutumluer, Erol; Ozer, Hasan; Boler, Huseyin (Illinois Center for Transportation/Illinois Department of Transportation, 2019-10)
    Recent research conducted at the Illinois Center for Transportation (ICT-R27-168) evaluated sustainable applications of quarry by-products (QB) or QB blended with coarse-recycled aggregates as chemically stabilized base ...

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  • Carpenter, Samuel H. (2007-12)
    The dynamic modulus (E*) of hot mix asphalt (HMA) is the currently preferred structural characterization test for use in structural design. This value has been selected for inclusion in the Mechanistic Empirical Pavement ...

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  • Mohammadian, Abolfazl; Taghipour, Homa; Bahador Parsa, Amir (Illinois Center for Transportation/Illinois Department of Transportation, 2020-06)
    Having access to accurate travel time is critical for both highway network users and traffic operators. Travel time that is currently reported for most highways is estimated by employing naïve methods that use limited ...

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  • Issa, Mohsen A. (Illinois Center for Transportation/Illinois Department of Transportation, 2017-12)
    The Illinois Department of Transportation (IDOT) is revising current specifications for opening new PCC (Portland cement concrete) pavements to traffic. These revisions will help keep closure times at a minimum by specifying ...

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  • Vavrik, William R.; Fries, Randy J.; Carpenter, Samuel H.; Aho, Brian D. (2000-03)
    This report presents findings on the effect of flat and elongated coarse aggregate particles on the volumetrics of Superpave Gyratory Compactor (SGC) prepared asphalt mixtures. Select aggregate sources were sampled to ...

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  • Chitturi, Madhav V.; Benekohal, Rahim F. (2005-09)
    Temperature significantly affects the performance of UPS systems. Four different UPS systems were evaluated at sub-zero temperatures and hot temperatures from -25 °C to +72 °C (-13 °F to +162 °F). At high temperatures, ...

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