Browse Research and Publications - Illinois Center for Transporation by Title

  • Al-Qadi, Imad L.; Baek, Jongeun; Leng, Zhen; Wang, Hao; Doyen, Matthe; Kern, Jeff; Gillen, Steven L. (2012-01)
    The short-term performance of the stone matrix asphalt (SMA) prepared with various warm-mix techniques (EvothermTM 3G, Sasobit®, and foamed asphalt) was conducted using extensive laboratory tests and on-site stiffness ...

    application/pdf

    application/pdfPDF (3MB)
  • Farhad Ansari (2010-07)
    Local bridge scour is caused by the interference of bridge piers with the flow of water and is characterized by the formation of scour holes. Local scour occurs at a bridge pier when the local flow field is strong enough ...

    application/pdf

    application/pdfPDF (629kB)
  • Huang, Haohang; Luo, Jiayi; Tutumluer, Erol; Hart, John M.; Qamhia, Issam (Illinois Center for Transportation/Illinois Department of Transportation, 2020-01)
    Riprap rock and large-sized aggregates are extensively used in transportation, geotechnical, and hydraulic engineering applications. Traditional methods for assessing riprap categories based on particle weight may involve ...

    application/pdf

    application/pdfPDF (6MB)
  • Hossain, Mohammad I.; Alzarrad, Mohammad A.; Wolfe, Kristy; Miah, Suruz (Illinois Center for Transportation/Illinois Department of Transportation, 2020-01)
    The purpose of this report is to provide information to the Illinois Department of Transportation (IDOT) on small-cell deployment on infrastructure such as light poles and traffic signals. A literature review was conducted ...

    application/pdf

    application/pdfPDF (4MB)
  • Thomas O'Rourke (2011-01)
    This report evaluates simulation training of IDOT snowplow operators to improve IDOT snow and ice removal operations. Specifically, it assesses a drivers’ evaluation of snowplow simulation training immediately after training ...

    application/pdf

    application/pdfPDF (725kB)
  • 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 ...

    application/pdf

    application/pdfPDF (3MB)
  • Benekohal, Rahim F.; Hajbabaie, Ali; Medina, Juan C.; Ming-heng Wang; Chitturi, Madhav V. (2010-01)
    The effects of an automated Speed Photo-radar Enforcement (SPE) system on the speed of vehicles in highway work zones were evaluated in this study. The SPE effects were also compared to other speed management treatments ...

    application/pdf

    application/pdfPDF (2MB)
  • 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 ...

    application/pdf

    application/pdfPDF (765kB)
  • Schattler, Kerrie L.; Lund, Jessica A. (2013-06)
    In spring 2010, the Illinois Department of Transportation initiated an areawide implementation to integrate the flashing yellow arrow as the display for the left-turn permissive interval at more than 100 intersections ...

    application/pdf

    application/pdfPDF (2MB)
  • Kalita, Prasanta; Bhattarai, Rabin; Richard Cooke; Heidi Howard; Svendsen, Niels (2013-04)
    The University of Illinois at Urbana-Champaign (UIUC), the Illinois Department of Transportation (IDOT), and the Construction Engineering Research Laboratory (CERL) of the U.S. Army Corps of Engineers joined in a partnership ...

    application/pdf

    application/pdfPDF (3MB)
  • Hawkins, Neil M.; Fuentes, Juan B. (2003-05)
    Three 30-year old deteriorated pretensioned deck beams were removed from an existing bridge in Illinois and re-assembled in the laboratory into a bridge sub-assemblage. Non-destructive and destructive tests and evaluations ...

    application/pdf

    application/pdfPDF (19MB)
  • King, Daniel; Roesler, Jeffrey (Illinois Center for Transportation/Illinois Department of Transportation, 2014-08)
    A performance evaluation of ultra-thin whitetopping (UTW) pavements in Illinois was undertaken in 2012–2014 to evaluate current design procedures and to determine design life criteria for future projects. The two main ...

    application/pdf

    application/pdfPDF (3MB)
  • Al-Qadi, Imad; Kern, Jeff; Meister, Jim (2011-06)
    The Illinois Department of Transportation (IDOT) had an immediate need to evaluate the performance characteristics of new asphalt mixtures. The new mixtures included warm mix asphalt (WMA), stone-matrix asphalt (SMA) ...

    application/pdf

    application/pdfPDF (11MB)
  • Mohammad A. Alhassan; Suleiman A. Ashur (2012-06)
    Concrete overlays are highly susceptible to cracking due to the large surface area that is exposed to drying, the low water to cement ratio, the environmental exposure and loading conditions, the reflected cracks the ...

    application/pdf

    application/pdfPDF (8MB)
  • Tutumluer, Erol; Ozer, Hasan; Hou, Wenting; Mwumvaneza, Vincent (Illinois Center for Transportation/Illinois Department of Transportation, 2015-06)
    Increased emphasis in the construction industry on sustainability and recycling requires production of aggregate gradations with lower dust (cleaner aggregates) and smaller maximum sizes—hence, increased amount of quarry ...

    application/pdf

    application/pdfPDF (7MB)
  • Al-Qadi, Imad L.; Carpenter, Samuel H.; Leng, Zhen; Ozer, Hasan; Trepanier, James (Illinois Center for Transportation (ICT), 2009-02)
    Interface bonding between hot-mix asphalt (HMA) overlays and Portland cement concrete (PCC) pavements is one of the most significant factors affecting overlay service life. This study was performed to quantify the effects ...

    application/pdf

    application/pdfPDF (4MB)
  • Al-Qadi, Imad L.; Carpenter, Samuel H.; Leng, Zhen; Ozer, Hasan; Trepanier, James (Illinois Center for Transportation, 2008-09)
    Interface bonding between hot-mix asphalt (HMA) overlays and Portland cement concrete (PCC) pavements can be one of the most significant factors affecting overlay service life. Various factors may affect the bonding ...

    application/pdf

    application/pdfPDF (973kB)
  • Hawkins, Neil M.; Fuentes, Juan B. (2000-05)
    A 54-ft. long, 27 inch deep, deteriorated pretensioned deck beam was taken from an existing bridge and tested to failure under equal loads applied 7-ft either side of its midspan. A systematic visual condition assessment ...

    application/pdf

    application/pdfPDF (60MB)
  • Al-Qadi, Imad L.; Ozer, H.; Lambros, J.; El Khatib, A.; Singhvi, P.; Khan, T.; Rivera-Perez, J.; Doll, B. (Illinois Center for Transportation/Illinois Department of Transportation, 2015-12)
    The use of reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) in AC mixtures can reduce demand for virgin aggregates and asphalt binder, bringing environmental and economic benefits. However, replacing ...

    application/pdf

    application/pdfPDF (13MB)
  • Liu, Liang Y. (2010-03)
    The Illinois Department of Transportation (IDOT) was appointed to chair an American Association of State Highway and Transportation Officials’ (AASHTO) effort to develop a specification that will simplify and improve how ...

    application/pdf

    application/pdfPDF (536kB)