Browse Research and Publications - Illinois Center for Transportation by Title

  • Laboratory Evaluation of High Asphalt Binder Replacement with Recycled Asphalt Shingles (RAS) for a Low N-Design Asphalt Mixture 
    Ozer, Hasan; Al-Qadi, Imad L.; Kanaan, Ahmad (2012-10)
    This study investigated the effect of high asphalt binder replacement for a low N-design asphalt mixture including RAP and RAS on performance indicators such as permanent deformation, fracture, fatigue potentials, ...

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  • LED Roadway Lighting, Volume 1: Background Information 
    Avrenli, Kıvanç A.; Benekohal, Rahim F.; Medina, Juan (2012-10)
    Roadway lighting is a fundamental public service that leads to a safer environment for both pedestrians and drivers. It is estimated that lighting alone accounts for around 3% of the total U.S. electricity consumption. ...

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  • LED Roadway Lighting, Volume 2: Field Evaluations and Software Comparisons 
    Avrenli, Kıvanç A.; Benekohal, Rahim F.; Medina, Juan (2012-10)
    The use of light-emitting diodes (LEDs) for roadway lighting can potentially save energy costs and reduce the frequency of maintenance. The objective of this study is to explore the current state of the art in LED roadway ...

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  • Light-Emitting Diode (LED) Traffic Signal and Uninterruptible Power Supply (UPS) Usage: A Nationwide Survey 
    Chapman, Jeremy R.; Benekohal, Rahim F. (2001-12)
    A national survey was conducted to gather information regarding the use of light-emitting diode (LED) traffic lights and uninterruptible power supply (UPS) systems in traffic signal controller cabinets. A survey was mailed ...

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  • Literature Review and Data Analysis on the Impacts of Prolonged Events on Transit System Ridership 
    Liu, Yining; Osorio, Jesus; Ouyang, Yanfeng (Illinois Center for Transportation/Illinois Department of Transportation, 2021-08)
    The COVID-19 pandemic has drastically disrupted transit operations and induced significant transit ridership losses worldwide. Given its unprecedented duration, magnitude, and scale, the long-term effects are still unclear. ...

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  • Load Rating and FRP Retrofitting of Bridge Abutment Timber Piles 
    Kim, Kun-Ho E.; Andrawes, Bassem O. (Illinois Center for Transportation/Illinois Department of Transportation, 2016-05)
    This report details Phase II of the study titled Strengthening of Bridge Wood Piling Retrofits for Moment Resistance. Phase I of the research (project R27-082) was focused on developing a load rating method for timber piles ...

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  • Load Rating and Retrofit Testing of Bridge Timber Piles Subjected to Eccentric Loading 
    Pablo Caiza; Shin, Moochul; Andrawes, Bassem (2012-11)
    This report first evaluated the load rating procedure currently in use by the Illinois Department of Transportation (IDOT) for rating timber piles supporting multiple-span, simply supported bridges. For simplicity, these ...

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  • Longevity of Highway Pavement in Illinois---2000 Update 
    Gharaibeh, Nasir Ghaleb; Darter, Michael I. (2002-12)
    Results of the latest round of pavement longevity studies in Illinois provide updated performance data through 2000 for HMAC, JRCP, and CRCP new construction as well as AC overlays (first, second, and third overlays) of ...

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  • Longitudinal Cracking Investigation on I-72 Experimental Unbonded Concrete Overlay 
    DeSantis, John; Roesler, Jeffery (Illinois Center for Transportation/Illinois Department of Transportation, 2022-02)
    A research study investigated longitudinal cracking developing along an experimental unbonded concrete overlay (UBOL) on I-72 near Riverton, Illinois. The project evaluated existing literature on UBOL (design, construction, ...

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  • Maritime Freight Data Collection Systems and Database to Support Performance Measures and Market Analyses 
    Sriraj, P.S.; Zou, Bo; Dirks, Lise; Parvez Farazi, Nahid; Lewis, Elliott; Manzanarez, Jean Paul (Illinois Center for Transportation/Illinois Department of Transportation, 2020-12)
    The Illinois Marine Transportation System (IMTS) is a key component of the nation’s inland waterway system. IMTS is comprised of 27 locks and dams, 19 port districts, more than 350 active terminals, and 1,118 miles of ...

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  • Material Constituents and Proportioning for Roller-Compacted Concrete Mechanical Properties 
    LaHucik, Jeffrey R; Roesler, Jeffery R. (Illinois Center for Transportation/Illinois Department of Transportation, 2018-08)
    Roller-compacted concrete (RCC) is increasingly becoming an alternative pavement type because of its construction expediency, reductions in material and construction costs, sustainability benefits, and overall structural ...

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  • Mechanistic-Empirical (M-E) Design Implementation & Monitoring for Flexible Pavements: 2018 PROJECT SUMMARY 
    Thompson, Marshall R.; Lippert, David L. (Illinois Center for Transportation/Illinois Department of Transportation, 2018-06)
    This document is a summary of the tasks performed for Project ICT-R27-149-1. Mechanistic-empirical (M-E)–based flexible pavement design concepts and procedures were previously developed in Illinois Cooperative Highway ...

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  • Mechanistic-Empirical Design Concepts for Continuously Reinforced Concrete Pavements in Illinois 
    Beyer, Matthew; Roesler, Jeffrey R. (Illinois Center for Transportation (ICT), 2009-04)
    The Illinois Department of Transportation (IDOT) currently has an existing jointed plain concrete pavement (JPCP) design based on mechanistic-empirical (M-E) principles. However, their continuously reinforced concrete pavement ...

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  • Mechanistic-Empirical Design Concepts for Jointed Plain Concrete Pavements in Illinois 
    Bordelon, Amanda C.; Roesler, Jeffrey; Hiller, Jacob E. (Illinois Center for Transportation (ICT), 2009-07)
    The Illinois Department of Transportation (IDOT) currently has an existing jointed plain concrete pavement (JPCP) design method based on mechanistic-empirical (M-E) principles. The objective of this research was to provide ...

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  • Mechanistic-Empirical Design, Implementation, and Monitoring for Flexible Pavements: A Project Summary 
    Thompson, Marshall R.; Al-Qadi, Imad L. (Illinois Center for Transportation/Illinois Department of Transportation, 2014-05)
    Mechanistic-empirical (M-E)–based flexible pavement design concepts and procedures were developed in previous Illinois Cooperative Highway Research Program projects (IHR-510, IHR-524, and ICT- R28) and have been implemented ...

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  • Methodology for Evaluation of Seal-Coated, Gravel, and Dirt Roads 
    Hossain, Mohammad I.; Tutumluer, Erol (Illinois Center for Transportation/Illinois Department of Transportation, 2019-06)
    The objective of this research project was to develop methodologies for the evaluation of different types of seal-coated, gravel, and dirt roads by using a best-practice-oriented pavement-management system in Illinois. A ...

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  • Minimizing Traffic-Related Work Zone Crashes in Illinois 
    El-Rayes, Khaled; Liu, Liang; Tarek Elghamrawy (2013-04)
    This report presents the findings of a research project to study and develop recommendations to minimize work zone crashes in Illinois. The objectives of this project were (1) to provide in-depth comprehensive review of ...

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  • Modeling Seniors' Activity-Travel Data 
    Mohammadian, Kouros; Behzad Karimi; Zahra Pourabdollahi; Martina Frignani (2013-08)
    The United States is experiencing an increase in its elderly population. According to Census Bureau estimates, this population should increase by 104.2% from 2000 to 2030, which translates into 72.1 million elders by ...

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  • Modeling the Performance Properties of RAS and RAP Blended Asphalt Mixes Using Chemical Compositional Information 
    Sharma, Brajendra K.; Ma, Jing; Kunwar, Bidhya; Singhvi, Punit; Ozer, Hasan; Rajagopalan, N. (Illinois Center for Transportation/Illinois Department of Transportation, 2017-01)
    Reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) can improve the sustainability of asphalt concrete (AC) due to cost savings and environmental factors, but it is necessary to ensure that pavement ...

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  • Modification of IDOT Integral Abutment Design Limitations and Details 
    Olson, Scott M.; Long, James H.; Hansen, James R.; Reneckis, Dziugas Joseph; LaFave, James M. (2009-08)
    The use of integral abutment bridges (IABs) is growing rapidly in the U.S., primarily because of lower maintenance costs compared to conventional bridges. However, current length and skew limitations employed by IDOT are ...

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