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  • Impact of Left-Turn Phasing on Older and Younger Drivers at High-Speed Signalized Intersections
    Younger Drivers at High Speed Signalized Intersections Percentage of drivers age 65 and older by county in Iowa Researcher s Principal investigators Shauna Hallmark 515 294 5249 shallmar iastate edu Iowa State University Student researcher Kim Mueller Project status Completed Start date 07 15 03 End date 08 30 04 Publications Report Impact of Left Turn Phasing on Older and Younger Drivers at High Speed Signalized Intersections 2 4 mb pdf August 2004 Sponsor s partner s Sponsor s Iowa Department of Transportation About the research Abstract Several recent studies have demonstrated differences in safety between different types of left turn phasing protected permitted and protected permitted phasing The issue in question is whether older and younger drivers are more affected by a particular type of left turn phasing at high speed signalized intersections and whether they are more likely to contribute to a left turn related crash under a specific type of left turn phasing This study evaluated the impact of different types of left turn phasing on older and younger drivers at high speed signalized intersections in Iowa High speed signalized intersections were of interest since oncoming speeds and appropriate gaps may be more difficult to judge for

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1466128241 (2015-11-09)
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  • Alternatives to Truck Engine Idling
    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 Alternatives to Truck Engine Idling Researcher s Principal investigator Stephen Andrle Co principal investigators Dennis Kroeger Randy Boeckenstedt Project status Completed Start date 07 01 03 End date 06 30 04 Publications Project webpage http www ctre iastate edu pubs truck idling Report Alternatives to Truck Engine Idling 1 3 mb pdf June 2004 Sponsor s partner s Sponsor s Iowa Energy Center About the research Abstract The primary objective of this project was to develop awareness of alternative truck idle reduction technologies in Iowa and along the Interstate 35 trade corridor Sub objectives were to 1 Organize and carry out a one to two day conference to be carried out sometime during May or June 2004 and that supports commercial adoption of idle reduction technologies in Iowa Develop interim involvement of stakeholders with appropriate expertise practical knowledge contacts and peripheral resources to support implementation of truck idle reduction technologies in Iowa 2 Carry out activities defined by an initial focus group survey to develop relevant knowledge relating to truck idle reduction

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-332602140 (2015-11-09)
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  • Implementation of Iowa DOT Pavement Management Optimization Model, 2004
    sponsor 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 Implementation of Iowa DOT Pavement Management Optimization Model 2004 Similar related projects Statewide

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=-1815933215 (2015-11-09)
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  • Statewide Urban Standard Design & Specifications
    iastate edu Copyright 1996 2009 Iowa State University All rights reserved Statewide Urban Standard Design Specifications Researcher s Principal investigator Dale Harrington Snyder Co principal investigator Stephen Andrle Project status Completed Start date 07 01 01 End date 06 30 04 Publications Project webpage http www iowasudas org Related publications SUDAS goes corporate Technology News Aug 2004 SUDAS Goes Corporate CTRE en Route Jul 2004 A SUDAS primer pdf CTRE

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=492 (2015-11-09)
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  • Development of Object-Oriented Specifications for Iowa DOT and Urban Standards (TR-487)
    principal investigators Russell Walters Stephen Andrle Dale Harrington Snyder Student researchers Zhili Gao Manop Kaewmoracharoen Lifeng Li Project status Completed Start date 10 01 02 End date 05 31 04 Publications Report Development of Object Oriented Specifications for Iowa DOT and Urban Standards TR 487 3 9 mb pdf October 2004 Related publications Developing a Visual Electronic Design and Specifications System pdf Tech transfer summary Oct 2004 An Investigation of Object Oriented Specifications for Iowa DOT and Urban Standards pdf 2003 Mid Continent Transportation Research Symposium Aug 2003 Sponsor s partner s Sponsor s Iowa Highway Research Board About the research Abstract Currently individuals including designers contractors and owners learn about the project requirements by studying a combination of paper and electronic copies of the construction documents including the drawings specifications standard and supplemental road and bridge standard drawings design criteria contracts addenda and change orders This can be a tedious process since one needs to go back and forth between the various documents paper or electronic to obtain information about the entire project Object oriented computer aided design OO CAD is an innovative technology that can bring a change to this process by graphical portrayal of information OO CAD allows users to point and click on portions of an object oriented drawing that are then linked to relevant databases of information e g specifications procurement status and shop drawings The vision of this study is to turn paper based design standards and construction specifications into an object oriented design and specification OODAS system or a visual electronic reference library ERL Individuals can use the system through a handheld wireless book size laptop that includes all of the necessary software for operating in a 3D environment All parties involved in transportation projects can access all of the standards and requirements

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=563 (2015-11-09)
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  • Planning, Implementation and Operation of the IPMP, Phase IX
    principal investigator Research by sponsor 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 Planning Implementation and Operation of the IPMP Phase IX

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1059354208 (2015-11-09)
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  • Traffic Monitoring Program Planning with Remote Sensing
    Hallmark 515 294 5249 shallmar iastate edu Iowa State University Project status Completed Start date 05 01 02 End date 05 31 04 Publications Reports Traffic Monitoring Program Planning with Remote Sensing Phase 2 2 MB pdf June 2004 Traffic Monitoring Program Planning with Remote Sensing Phase I 2 2 MB pdf July 2003 Sponsor s partner s Sponsor s Iowa Department of Transportation About the research Abstract The Federal Highway Administration mandates that states collect traffic count information at specified intervals to meet the needs of the Highway Performance Monitoring System HPMS A manual land use change detection method was employed to determine the effects of land use change on traffic for Black Hawk County Iowa from 1994 to 2002 The results indicated a strong correlation and a statistically significant regression coefficient between the identification of built up land use change areas from remote sensed data and corresponding changes in traffic patterns expressed as vehicle miles traveled VMT Results enable redirecting traffic count activities and related data management resources to areas that are experiencing the greatest changes in land use and related traffic volume Including a manual land use change detection process in the Iowa Department of Transportation s

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=539 (2015-11-09)
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  • Traffic Monitoring Program Plannning with Remote Sensing, Phase II
    515 294 8103 FAX 515 294 0467 Website www ctre iastate edu Copyright 1996 2009 Iowa State University All rights reserved Traffic Monitoring Program Plannning with Remote Sensing Phase II Researcher s Principal investigators Shauna Hallmark 515 294 5249 shallmar iastate edu Iowa State University Project status Completed Start date 07 01 03 End date 05 14 04 Publications Report Traffic Monitoring Program Plannning with Remote Sensing Phase II 2 mb pdf June 2004 Sponsor s partner s Sponsor s Iowa Department of Transportation About the research Abstract The Center for Transportation Research and Education CTRE issued a report in July 2003 based on a sample study of the application of remote sensed image land use change detection to the methodology of traffic monitoring in Blackhawk County Iowa In summary the results indicated a strong correlation and a statistically significant regression coefficient between the identification of built up land use change areas from remote sensed data and corresponding changes in traffic patterns expressed as vehicle miles traveled VMT Based on these results the Iowa Department of Transportation Iowa DOT requested that CTRE expand the study area to five counties in the southwest quadrant of the state These counties are scheduled

    Original URL path: http://www.ctre.iastate.edu/research/detail.cfm?projectID=1990474879 (2015-11-09)
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