Browse Research and Publications - Illinois Center for Transporation by Title

  • Effect of Early-Age Concrete Elastic Properties on Fatigue Damage in PCC Pavements Containing Fibers 
    Issa, Mohsen A. (Illinois Center for Transportation/Illinois Department of Transportation, 2017-12)
    The Illinois Department of Transportation (IDOT) is revising current specifications for opening new PCC (Portland cement concrete) pavements to traffic. These revisions will help keep closure times at a minimum by specifying ...

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  • Effect Of Flat And Elongated Coarse Aggregate On Characteristics Of Gyratory Compacted Samples 
    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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  • Effect of High and Low Temperatures on UPS systems for Intersection Traffic Signals 
    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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  • Effect of Short Term Oven Aging on Volumetrics and Selection of N-Design 
    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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  • Effective Post-Construction Best Management Practices (BMPs) to Infiltrate and Retain Stormwater Run-off 
    Osouli, Abdolreza; Grinter, Mark; Zhou, Jianpeng; Ahiablame, Laurent; Stark, Timothy (Illinois Center for Transportation/Illinois Department of Transportation, 2017-06)
    Performance analyses of newly constructed linear BMPs in retaining stormwater run-off from 1 in. precipitation in post-construction highway applications and urban areas were conducted using numerical simulations and field ...

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  • Effectiveness Evaluation of a Modified Right-Turn Lane Design at Intersections 
    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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  • Effectiveness Evaluation of a Modified Right‐Turn Lane Design at Intersections 
    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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  • Effectiveness of Exterior Beam Rotation Prevention Systems for Bridge Deck Construction 
    Ashiquzzaman, Md; Li, Hui; Schmeltz, Justin; Merino, Carlos; Bozkurt, Bora; Ibrahim, Ahmed; Lindquist, Will; Hindi, Riyadh (Illinois Center for Transportation/Illinois Department of Transportation, 2016-06)
    Bridge decks often overhang past the exterior girders in order to increase the width of the deck while limiting the required number of longitudinal girders. The overhanging portion of the deck results in unbalanced eccentric ...

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  • Effectiveness of Exterior-Beam Rotation-Prevention Systems for Bridge Deck Construction—Phase II 
    Hui, Li; Hraib, Faress; Vicente, Miguel; Hindi, Riyadh (Illinois Center for Transportation/Illinois Department of Transportation, 2019-09)
    During bridge deck construction, construction loads are transferred through the overhang-formwork system into the girder system, resulting in significant torsional moments acting on the exterior girder. In some cases, these ...

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  • Effectiveness of Innovative Speed-Enforcement Techniques in Illinois 
    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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  • Effectiveness of Transit Strategies Targeting Elderly People: Survey Results and Preliminary Data Analysis 
    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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  • Effects of a Nonuniform Subgrade Support on the Responses of Concrete Pavement 
    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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  • Enhancements to Highway Construction Scheduling Expert System (Including User Manual) 
    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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  • Establishing Procedures and Guidelines for Pedestrian Treatments at Uncontrolled Locations 
    Qi, Yan; Fries, Ryan, N.; Zhou, Huaguo; Rab, Abdur; Baireddy, Raghunandan (Illinois Center for Transportation/Illinois Department of Transportation, 2017-08)
    Pedestrians are the most vulnerable road users. The risks to pedestrians crossing at uncontrolled locations are much higher than at signalized intersections. There has been an increasing trend in pedestrian deaths during ...

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  • Estimation of Peak Discharge Quantiles for Selected Annual Exceedance Probabilities in Northeastern Illinois 
    Over, Thomas; Saito, Riki; Veilleux, Andrea; Sharpe, Jennifer; Soong, David; Ishii, Audrey (Illinois Center for Transportation/Illinois Department of Transportation, 2016-06)
    This report provides two sets of equations for estimating peak discharge quantiles at annual exceedance probabilities (AEPs) of 0.50, 0.20, 0.10, 0.04, 0.02, 0.01, 0.005, and 0.002 (recurrence intervals of 2, 5, 10, 25, ...

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  • Evaluating All-Weather Pavement Markings in Illinois: Volume 1 
    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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  • Evaluating All-Weather Pavement Markings in Illinois: Volume 2 
    Hawkins, Neal R.; Smadi, Omar; Knickerbocker, Skylar (Illinois Center for Transportation/Illinois Department of Transportation, 2019-06)
    The project evaluated two pre-manufactured pavement marking tapes (380AW and XRP-R) over three winter seasons at two different Illinois DOT locations (central and southern Illinois). The two products were installed on ...

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  • Evaluation of 3-D Laser Scanning Equipment: 2016 Interim Report 
    Renshaw, Gregary; Meister, James; Culton, Ryan (Illinois Center for Transportation / Illinois Department of Transportation, 2017-05)
    As a follow-up to ICT Project R27-030, Evaluation of 3-D Laser Scanning, this report provides findings of an evaluation of 3-D laser scanning equipment to determine the tangible costs versus benefits and the manpower ...

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  • Evaluation of 3-D Laser Scanning Equipment: 2018 Final Report 
    Renshaw, Gregary;; Meister, James;; Culton, Ryan; (Illinois Center for Transportation/Illinois Department of Transportation, 2018-05)
    As a follow-up to ICT Project R27-030, Evaluation of 3-D Laser Scanning, this report provides findings of an evaluation of 3-D laser scanning equipment to determine the tangible costs versus benefits and the manpower savings ...

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  • Evaluation of 3-D Laser Scanning for Construction Application 
    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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