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  • Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport
    center administered by the Institute for Transportation Address 2711 S Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport Sweetland intersection northbound approach Researcher s Principal investigator Tom McDonald Project status Completed Start date 12 05 07 End date 07 29 08 Publications Report Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport 16 76 mb pdf June 2008 Sponsor s partner s Sponsor s Iowa Department of Transportation About the research Abstract U S Highway 61 between Muscatine and Davenport Iowa is a four lane divided section of road approximately 21 miles in length This section was found to be among the top 5 of Iowa roadways for single vehicle run off road impaired driver unbelted driver and speed related crashes for the period of 2001 through 2005 A road safety audit of this corridor was deemed appropriate by the Iowa Department of Transportation s Office of Traffic and Safety Staff and officials

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=881324102 (2015-11-09)
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  • CP Road Map Administrative Support, Task 2
    Research by keyword Project pages maintained by PI Search research CTRE is an Iowa State University center administered by the Institute for Transportation Address 2711 S Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved CP Road Map Administrative Support Task 2 Researcher s Principal investigators Tom Cackler Co

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-1018198151 (2015-11-09)
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  • Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque
    Search research CTRE is an Iowa State University center administered by the Institute for Transportation Address 2711 S Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque Strunk s curve east of Luxemberg Researcher s Principal investigator Tom McDonald Project status Completed Start date 11 28 07 End date 07 07 08 Publications Report Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque 13 66 mb pdf June 2008 Sponsor s partner s Sponsor s Iowa Department of Transportation About the research Abstract A section of US 52 between Dubuque and Luxemburg Iowa was listed in the top 5 of Iowa highways for severe crashes involving impaired drivers and single vehicle run off road crashes during 2001 2005 and several crashes have occurred on this roadway near the towns of Luxemburg Holy Cross and Rickardsville Iowa many on curves Staff and officials from the Iowa Department of Transportation Iowa DOT Iowa State Patrol Governor s Traffic Safety Bureau Federal Highway

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1256821402 (2015-11-09)
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  • Access and Corridor Management Support Program for Iowa, Phase I
    Loop Drive Suite 4700 Ames IA 50010 8664 Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Access and Corridor Management Support Program for Iowa Phase I Researcher s Principal investigators David Plazak Co principal investigator Chris Albrecht Project status Completed Start date 01 01 08 End date 06 30 08 Sponsor s partner s Sponsor s

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-395982164 (2015-11-09)
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  • Improving Variability and Precision of AVA Test Results and Developing Rational Specification Limits
    kejinw iastate edu Iowa State University Co principal investigators Jim Grove Bob Steffes 515 294 7323 steffesr iastate edu Iowa State University Student researchers Metwally Mohamed Fatih Bektas Project status Completed Start date 10 26 06 End date 06 30 08 Publications Report Improving Variability and Precision of AVA Test Results and Developing Rational Specification Limits 1 6 mb pdf June 2008 Tech transfer summary Improving Precision and Variability of Air Void Analyzer Test Results 130 kb pdf Dec 2008 Sponsor s partner s Sponsor s Federal Highway Administration About the research Abstract Since air void analyzer AVA was introduced in the 1990s various studies have been conducted in the United States to apply this technology Many concerns are raised on a the variation of the AVA tests b the relationship between AVA and other standard measurements and c AVA specification limits The application of AVA tests in concrete practice is therefore very challenging The goals of the present research project are to reduce variability and improve precision of AVA test results and to develop rational specification limits for controlling concrete freezing and thawing F T damage using the AVA test parameters This project consists of three phases Phase 1

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-312663570 (2015-11-09)
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  • Instrumentation and Monitoring of Precast, Post-tensioned Bridge Approach Pavement
    Phone 515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Instrumentation and Monitoring of Precast Post tensioned Bridge Approach Pavement Researcher s Principal investigators Brent Phares 515 294 5879 bphares iastate edu Iowa State University Co principal investigators Michael LaViolette Dean Bierwagen Project status Completed Start date 07 01 05 End date 06 30 08 Publications Report Integral

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-1652606620 (2015-11-09)
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  • Feasibility of Visualization and Simulation Applications to Improve Work Zone Safety and Mobility
    clear weather Visualization of work zone with poor weather Researcher s Principal investigators Kelly Strong 515 294 1460 kstrong iastate edu Co principal investigators Charles Jahren 515 294 3829 cjahren iastate edu Ed Jaselskis 515 294 0250 ejaselsk iastate edu Amr Kandil 515 294 8824 kandil iastate edu Student researcher Manop Kaewmoracharoen Project status Completed Start date 06 30 07 End date 06 01 08 Publications Report Feasibility of Visualization and Simulation Applications to Improve Work Zone Safety and Mobility 4 6 mb pdf June 2008 Sponsor s partner s Sponsor s Iowa Department of Transportation About the research Abstract Visualization is a relatively recent tool available to engineers for enhancing transportation project design through improved communication decision making and stakeholder feedback Current visualization techniques include image composites video composites 2D drawings drive through or fly through animations 3D rendering models virtual reality and 4D CAD These methods are used mainly to communicate within the design and construction team and between the team and external stakeholders Use of visualization improves understanding of design intent and project concepts and facilitates effective decision making However visualization tools are typically used for presentation only in large scale urban projects Visualization is not widely

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-168519604 (2015-11-09)
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  • Impact of Some Site-Specific Characteristics on the Success of the Signalization of High-Speed Intersections
    515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Impact of Some Site Specific Characteristics on the Success of the Signalization of High Speed Intersections Similar related projects Safety Effectiveness of High Speed Expressway Signals Researcher s Principal investigators Tom Stout Co principal investigators Reginald Souleyrette Project status Completed Start date End date 06 01 08 Publications Report Impact of Some Site Specific Characteristics on the Success of the Signalization of High Speed Intersections 294 kb pdf June 2008 Sponsor s partner s Sponsor s Iowa Department of Transportation About the research Abstract The conversion of two lane roadways to four lane divided expressways has become a common solution to the need for high speed higher capacity travel between rural and suburban communities As traffic volumes increase on these facilities there are seemingly inevitable increases in intersection crashes A frequently proposed solution to intersection crashes is the installation of traffic signals with results that can at best be described as mixed In some cases there have been reductions in crash risk following signalization while in others there has been no change or even an increase The public perception

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-1077079034 (2015-11-09)
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