Browse Research and Publications - Illinois Center for Transporation by Title

  • Mao, Yiwei; Ouyang, Yanfeng (Illinois Center for Transportation/Illinois Department of Transportation, 2014-11)
    The project was conducted systematic road-safety assessment and identified major risks that can be eliminated or reduced by practical road-improvement measures. Specifically, the primary task of this project was to collect ...

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  • Al-Qadi, Imad L.; Rivera-Perez, José J.; Ozer, Hasan; Sayeh, Watheq; García Mainieri, Javier J.; Meidani, Hadi; Huang, John; Hand, Adam (Illinois Center for Transportation/Illinois Department of Transportation, 2020-06)
    Quality assurance programs for hot-mix asphalt (HMA) have evolved from method specifications to quality assurance specifications that distribute responsibilities and risks between contractors and owners. The Illinois ...

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  • Roesler, Jeffrey R.; Bordelon, Amanda C.; Ioannides, Anastasios; Beyer, Matthew; Wang, Dong (Illinois Center for Transportation, 2008-06)
    The objectives of this research were to provide the Illinois Department of Transportation (IDOT) with an ultrathin whitetopping (UTW) thickness design method and guidelines for UTW design, concrete material selection, and ...

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  • Petrie, John; Qi, Yan; Cornwell, Mark; Al Adib Sarker, Md; Biswas, Pranesh; Du, Sen; Shi, Xianming (Illinois Center for Transportation/Illinois Department of Transportation, 2020-11)
    Blowing snow accounts for a large part of Illinois Department of Transportation’s total winter maintenance expenditures. This project aims to develop recommendations on the design and placement of living snow fences (LSFs) ...

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  • Buttlar, William; Na Chiangmai, Chaiwat; Al-Qadi, Imad L.; Murphy, T.R.; Pine, W.J. (Illinois Center for Transportation/Illinois Department of Transportation, 2015-04)
    Fine-graded (F-G) asphalt concrete mixtures are composed of an aggregate structure in which the fine fraction controls the load-carrying capacity of the mix. Other states have reported benefits in using F-G mixtures, ...

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  • Golecki, Thomas F.; Spencer, B.F. (Illinois Center for Transportation/Illinois Department of Transportation, 2020-08)
    The partial collapse of Illinois Department of Transportation structure 020-3087 on October 1, 2019, provided IDOT with the opportunity to evaluate the in situ strength of a precast, prestressed concrete deck beam bridge ...

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  • Al-Qadi, Imad L.; Carpenter, Samuel H.; Roberts, Geoff; Ozer, Hasan; Aurangzeb, Qazi; Elseifi, Mostafa; Trepanier, James (Illinois Center for Transportation (ICT), 2009-01)
    For current recycled mix designs, the Illinois Department of Transportation (IDOT) assumes 100% contribution of working binder from Recycled Asphalt Pavement (RAP) materials when added to Hot Mix Asphalt (HMA). However, ...

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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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  • Rufino, Dulce; Baraka, Kenyatta; Darter, Michael I. (2001-05)
    Smoothness is considered to be the most important ride quality by the highway user. Although bridges are much rougher than pavements, most of the studies conducted to improve pavement smoothness have been focused solely ...

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  • Fries, Ryan; Zhou, Huaguo; Williamson, Michael; Yiu, Yu Liang; Qu, Yuhui; Gu, Patrick (Illinois Center for Transportation/Illinois Department of Transportation, 2014-08)
    The overall goal of both phases of this project was to reduce responder fatalities and injuries, as well as to prevent secondary crashes, especially those involving incident responders. The phases of this project worked ...

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  • Zhou, Huaguo; Fries, Ryan; Williamson, Michael; Tian, Zhaofeng; Vaughn, Brent (2011-08)
    Each year highway traffic incidents, such as crashes, place responders on and beside roadways with dangerous high-speed traffic. The unexpected conditions of an incident scene have the potential to surprise unsuspecting ...

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  • Al-Qadi, Imad L.; Son, Songsu; Zehr, Thomas (2013-03)
    This project provides techniques to improve hot-mix asphalt (HMA) overlays specifically through the use of special additives and innovative surfacing technologies with aggregates that are locally available in Illinois. ...

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  • Al-Qadi, Imad L.; Son, Songsu; Carpenter, Samuel H. (2013-03)
    This project developed and evaluated four new asphalt concrete (AC) mixtures that use locally available aggregates whenever possible with the ultimate goal of a cost-effective mixture that also improves pavement performance. ...

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  • Al-Qadi, Imad L.; Fini, Eli H.; Masson, Jean-François; Loulizi, Amara; McGhee, Kevin K.; Elseifi, Mostafa (2008-11)
    Current crack sealant specifications focuses on utilizing simple empirical tests such as penetration, resilience, flow, and bonding to cement concrete briquettes (ASTM D3405) to measure the ability of the material to ...

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  • Nixon, Wilfrid A.; Gerard, Anissa (Illinois Center for Transportation/Illinois Department of Transportation, 2015-04)
    The purpose of this project was to create a training program that could be used for Illinois Department of Transportation (IDOT) personnel who operated snow plows and spread road salt during winter storms. The training ...

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  • Lee, Hyung S.; Vavrik, William; Abdualla, Hesham (Illinois Center for Transportation/Illinois Department of Transportation, 2020-09)
    The existing smoothness specification implemented by the Illinois Department of Transportation (IDOT) was based on profile-index measurement, which was also widely used by other agencies. There is a national and international ...

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  • 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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