Browse Illinois Center for Transportation by Title

  • 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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  • McMullen, Bradley J.; Vavrik, William R.; Carpenter, Samuel H. (2000-09)
    This report presents findings on the effect of conditioning time on the volumetric properties of Superpave Gyratory Compactor (SGC) prepared asphalt mixtures. Field mixtures were sampled from the producing plants and then ...

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  • Schattler, Kerrie L.; Hanson, Trevor; Maillacheruvu, Krishnanand (Illinois Center for Transportation/Illinois Department of Transportation, 2016-06)
    From 2006 to 2014, ten right-turn approaches in the Peoria, Illinois, area were selected and reconstructed with a modified right-turn lane design. The major purpose of the modified design was to improve the line of sight ...

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  • Talebpour, Alireza; Mahmassani, Hani S. (Illinois Center for Transportation, 2014-03)
    The effects of various police patrolling methods on the average speed and crash rate were studied in this report. The number of speeding citations under various enforcement strategies was also investigated. Two surveys ...

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  • Mohammadian, Kouros; Rashidi, Taha H.; Takuriah, Piushimita (Illinois Center for Transportation (ICT), 2009-02)
    The U.S. Department of Health and Human Services has shown that America’s senior population has been growing and will almost double by 2030. This trend continues to challenge researchers who are looking to increase ...

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  • Brand, Alexander S.; Roesler, Jeffery R.; Chavan, Hemant; Evangelista, Francisco, Jr. (2013-09)
    Intelligent compaction is gaining attention for its ability to spatially map the compaction effort of a pavement support layer, and it has also been shown to be able to detect areas of nonuniform compaction, which raises ...

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  • Slattery, Dianne K.; Slattery, Kerry T. (Illinois Center for Transportation/Illinois Department of Transportation, 2015-05)
    This research was performed to enhance the software tool (Illinois Construction Scheduling Expert System, ICSES) developed in Phase I of this project (ICT project R27-86) by mining data collected on IDOT construction ...

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  • Hawkins, Neal R.; Pike, Adam M.; Smadi, Omar G.; Knickerbocker, S.; Carlson, Paul J. (Illinois Center for Transportation/Illinois Department of Transportation, 2015-12)
    Pavement markings provide critical guidance to motorists, especially under dark (non-lighted) conditions. However, the ability to see these pavement markings on a wet, rainy night is problematic given that the presence ...

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  • Slattery, Dianne K.; Slattery, Kerry T. (2010-04)
    The objective of the project was to evaluate cost-effective means to implement laser scanning technology in the construction phase of IDOT projects. The primary goal was to study the use of a laser scanner for evaluating pay ...

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  • Kazmee, Hasan; Tutumluer, Erol (Illinois Center for Transportation/Illinois Department of Transportation, 2015-07)
    With recent focus on sustainable construction practices and the ever-increasing transportation costs and scarcity of natural resources, integration of large-size and marginally acceptable aggregates and recycled materials ...

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  • Bhattarai, Rabin; Kalita, Pransanta; Azeem, Anwar; Jha, Ranjeet (Illinois Center for Transportation/Illinois Department of Transportation, 2016-01)
    Construction sites are one of the largest sources of sediment and contaminants. When rainfall occurs, sediment is produced as soil particles disintegrate and erode from the bare soil area and are transported to the nearest ...

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  • Bhattarai, Rabin; Kalita, Prasanta; Bulnes Garcia, Carlos; Monical, Joseph; Schumacher, Paul (Illinois Center for Transportation/Illinois Department of Transportation, 2016-01)
    Construction activities generally involve significant land disturbances, leaving the soil unprotected and more susceptible to erosion, which may in turn adversely affect the surrounding environment. The lack of quantitative ...

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  • Bhattarai, Rabin; Kalita, Pransanta; Bulnes Garcia, Carlos; Monical, Joseph; Stoklosa, Matthew; Azeem, Anwar (Illinois Center for Transportation/Illinois Department of Transportation, 2016-01)
    Upon starting roadside construction work, construction crews must begin by ripping up a considerable amount of the ground. This process leaves areas such as roadside ditches without vegetation cover, which in turn leaves ...

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  • Vavrik, William R.; Carpenter, Samuel H.; Gillen, Steve; Behnke, Jay; Garrott, Steve (Illinois Center for Transportation (ICT), 2008-10)
    To test the fractionated recycled asphalt pavement (FRAP) materials, the Illinois Tollway, working through its contractors and consultants, developed and conducted a project on the applicability and feasibility of using ...

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  • Bhattarai, Rabin; Kalita, Prasanta; Azeem, Anwar; Jha, Ranjeet (Illinois Center for Transportation/Illinois Department of Transportation, 2016-01)
    Construction sites are considered one of the main sources of sediment and contaminants that can create water quality concerns in the receiving waters. When rainfall occurs, loose soil particles are disintegrated and eroded ...

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  • Wolters, Angela; Hoerner, Todd; Smith, Kurt (Illinois Center for Transportation (ICT), 2008-09)
    The Illinois Department of Transportation (IDOT) has evaluated the performance of the pavements in the state in a variety of studies over the years. Since those studies were conducted, several changes in IDOT practices, ...

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  • Hashash, Youssef; Javier, Jamie; Petersen, Theresa; Osborne, Eleanor (2011-11)
    Horizontal Directional Drilling (HDD) is defined as “A steerable system for the installation of pipes, conduits, and cables in a shallow arc using a surfaced launched drilling rig. Traditionally HDD is applied to large scale ...

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  • Elseifi, Mostafa (2007-08)
    Insuring the integrity and security of hot mix asphalt (HMA) samples is critical to assuring the quality of the installed product and complying with Federal requirements. Samples of HMA are often taken at the plant with ...

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  • Hajbabaie, Ali; Benekohal, Rahim F.; Medina, Juan; Chitturi, Madhav (Illinois Center for Transportation (ICT), 2009-04)
    This study was conducted to verify the compliance of vehicular and pedestrian LED traffic signal modules with the Institute of Transportation Engineers specifications; and to assess drivers’ preferences of the LED modules. ...

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