Browse Research and Publications - Illinois Center for Transporation by Title

  • Michael Lodes; Benekohal, Rahim F. (2013-01)
    The safety benefits and costs associated with implementing adaptive signal control technology (ASCT) were evaluated in this study. A user-friendly online survey was distributed to 62 agencies that had implemented ASCT in ...

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  • Schattler, Kerrie L.; Anderson, Eric; Hanson, Trevor (Illinois Center for Transportation/Illinois Department of Transportation, 2016-03)
    In the spring of 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 ...

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  • Schattler, Kerrie, L; Vadlamudi, Naveen; Riemann, Annie (Illinois Center for Transportation/Illinois Department of Transportation, 2017-04)
    As a part of this research, the safety performance of red light running (RLR) camera systems was evaluated for a sample of 41 intersections and 60 RLR camera approaches located on state routes under IDOT’s jurisdiction in ...

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  • Radhika Bamzai; Yongdoo Lee; Zongzhi Li (2011-04)
    The single greatest category of highway vehicle crashes is run-off-the-road incidents. Significant material differences and elevation changes in shoulder edges pose a potential safety hazard when a vehicle leaves the travel ...

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  • LaFave, James M; Fahnestock, Larry A; Kozak, Derek L (Illinois Center for Transportation/Illinois Department of Transportation, 2018-08)
    The seismic behavior of integral abutment bridges (IABs) is of particular interest in southern Illinois, where proximity to the New Madrid Seismic Zone may create significant ground motion accelerations during an earthquake. ...

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  • LaFave, James; Fahnestock, Larry; Foutch, D.A.; Steelman, Joshua; Revell, Jessica; Filipov, Evgueni; Hajjar, Jerome F. (2013-06)
    The Illinois Department of Transportation (IDOT) commonly uses elastomeric bearings to accommodate thermal deformations in bridges, and these bearings have potential utility in seismic events. IDOT has developed an ...

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  • LaFave, James M; Fahnestock, Larry A; Luo, Jie; Kozak, Derek L (Illinois Center for Transportation/Illinois Department of Transportation, 2018-08)
    This study assesses the seismic performance of quasi-isolated highway bridges with seat-type abutments, validates the current IDOT design strategy, and provides recommendations for improving a bridge’s seismic behavior. ...

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  • Mohammadian, Kouros; Martina Frignani; Joshua Auld (2011-08)
    The research team conducted a survey of travel and activity scheduling behavior to better understand senior citizens’ trip chaining behavior in the Chicago metropolitan area’s most populous counties. The team used ...

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  • 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 ...

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  • 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 ...

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  • 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 ...

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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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  • 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 ...

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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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  • 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 ...

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  • 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 ...

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  • 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 ...

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  • 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 ...

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  • 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) ...

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  • 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 ...

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