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Texas Energy Sector: Past and Future

Description: "The objectives of this research study were to (a) illustrate and quantify the impacts imposed by the energy sector on Texas's transportation system and (b) identify key energy demand indicators by energy source that TxDOT can track in an effort to anticipate the associated future transportation impacts on Texas's transportation system."
Date: December 2011
Creator: Prozzi, Jolanda; Dumais, Ashley; Cline, Mike; Loftus-Otway, Lisa & Seaborne, Eleanor
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Traffic Operations and Safety Benefits of Active Traffic Strategies on TxDOT Freeways

Description: Report discussing a project, which developed a series of interdependent models and a simulation framework to evaluate the traffic operations and safety benefits of ATM strategies. Four ATM scenarios were evaluated in this study: variable speed limits (VSL), peak-period shoulder use, VSL and shoulder use, and ramp metering.
Date: October 2011
Creator: Nezamuddin, N.; Jiang, Nan (Writer on transportation); Zhang, Ti; Waller, S. Travis & Sun, Dazhi
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Implementation of Database for TxDOT ARRA Projects

Description: Report discussing projects initiated under the American Recovery and Reinvestment Act of 2009 (ARRA), a fiscal stimulus package signed by President Obama on March 6, 2009. State agencies like the Texas Department of Transportation (TxDOT) who received ARRA funds had to report, on a monthly basis, various data on each project in the ARRA program, including staff numbers, hours worked, and payroll. TxDOT asked the Center for Transportation Research (CTR) to identify and isolate specific elements … more
Date: August 2011
Creator: Persad, Khali R. & Suri, Jasjyot S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Literature review of current practices in dealing with fluctuations of maintenance budgets

Description: Report discussing a literature review of current budget cutting strategies used in routine roadway maintenance planning, including methods and techniques that are employed by other state and international transportation organizations (DOT's). It also reviewed methodologies developed from previous research and identified the most effect risk management techniques.
Date: September 2011
Creator: Gonzales, Epigmenio.; Li, Wenxing; Murphy, Mike; O'Connor, James T.; Bhat, Chandra R. & Yildirim, Yetkin
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Estimating Texas motor vehicle operating costs : final report

Description: "This report and its appendices summarize the findings of a 2-year extension to the TxDOT-sponsored study 0-5974 entitled "Estimating Texas Motor Vehicle Costs" undertaken by a Center for Transportation Research (CTR) team of mechanical engineers and economists at The University of Texas at Austin."
Date: November 2011
Creator: Matthews, Ronald; Seedah, Dan; Ates, Murat; Kim, Kyung Jin; Anderson, Garrett; Vaughn, James et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Implementing a project and portfolio management system for TxDOT project development

Description: "Beginning in the summer of 1999, Texas Department of Transportation (TxDOT) started developing the framework for implementing a sophisticated new system to manage its large and diverse portfolio of projects during their development phase. This was followed by the implementation itself for managing project schedules, project and portfolio resources and costs during their development cycle. This unique and challenging implementation across TxDOT encompassed all functional areas involved in the p… more
Date: October 2011
Creator: Khwaja, Nabeel
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Impacts of energy developments on the Texas Transportation System infrastructure

Description: "Texas energy sector has a critical impact-historically and currently-on both the state economy and the Texas transportation system. The stat's various transportation modes, including rail, highways, pipelines, and ports, form a system that supports the energy sector in a number of ways."
Date: October 2011
Creator: Prozzi, Jolanda; Grebenschikov, Sergey; Banerjee, Ambarish & Prozzi, Jorge Alberto
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Proposed Texas Department of Transporation Strategic Research Program: Second Year Report

Description: In February 2010, The Texas Department of Transportation (TcDOT) contracted with the Center for Transportation Research (CTR) at The University of Texas at Austin, the Texas Transportation Institute (TTI), and The Center for Multidisciplinary Research in Transportation (TechMRT) at Texas Tech University, to assist TxDot in developing a Strategic Research Program (SRP). This report documents the work conducted from September 2010 to August 2011.
Date: August 2011
Creator: Persad, Khali; Machemehl, Randy; Nash, Phillip T.; Cleveland, Theodore G.; Weatherby, Cynthia & Stockton, William
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Measuring access to transit service in rural transit systems : feedback from the workshops and recommendations for improving the Demand Response Transit accessibility tool

Description: Report on the application of a paratransit microsimulation patron accessibility analysis tool in four rural transit agencies in workshops. The workshops provided an overview of the Demand Response Transit [DRT] accessibility tool developed by the research team, obtained feedback on the results predicted by the DRT tool, and identified ways to improve the DRT tool.
Date: August 2011
Creator: Vyas, Gaurav; Bhat, Chandra R. & Ferdous, Zazneen
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Equipment Replacement Optimization

Description: "The objective of the Texas Department of Transportation (TxDOT) Research Project 7-4941 is to; determine the best optimization methodology; evaluate commercial fleet management systems; develop the model if this cost-effective relative to purchasing a commercial model; and validate the new model as needed using data available on TxDOT's current fleet."
Date: October 2011
Creator: Fan, Wei; Brown, Leonard; Patterson, Casey; Winkler, Mike; Schminkey, Justin; Western, Kevin et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Texas Roundabout Guidelines: Final Report

Description: "This report contains best practices for choosing appropriate locations and design concepts for Texas roundabouts. This research effort is comprised of the following components: synthesis of available literature and analysis methods, development of capacity analysis methods, validation and enhancement of existing tools, and a spreadsheet tool to aid in roundabout planning and implementation."
Date: October 2011
Creator: Mills, Alison; Duthie, Jen; Machemehl, Randy B.; Ferguson, Erin; Waller, Travis; Sun, Dazhi et al.
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department

Validation and implementation of the structural condition index (SCI) for network-level pavement evaluation

Description: "The objective of this research is to validate the pavement Structural Condition Index (SCI) developed under a previous Research Project, 0-4322, and to develop guidelines for implementing the SCI at the network level."
Date: June 2011
Creator: Murphy, Michael; Zhang, Zhanmin & Peddibhotla, Sree Sravya Sruthi
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Fatigue Life of Steel Base Plate to Pole Connections for Traffic Structures

Description: "This is a final report of an extensive experimental and analytical examination of the fatigue behavior of the welded end connection used on high-mast light structures and traffic signal masts. The weld details commonly used for these connections produce very poor fatigue performance. Their performance is a function of base plate stiffness, weld type and geometry, and number of anchor bolts. Recommended connections and their corresponding fatigue strength are given as well as recommended fabric… more
Date: January 2011
Creator: Stam, Andrew Philip; Frank, Karl H.; Stern, A. P.; Anderson, T. H. & Richman, N. B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Peer state assessment of TxDOT maintenance program and practices: workshop and road rally findings

Description: "The goal of the project was to conduct a workshop at CTR and in the Austin District that would educate the visiting peers on TxDOT"s maintenance practices and invite their feedback."
Date: January 2011
Creator: Gao, Lu; Chi, Seokho; Prozzi, Jorge Alberto; Yildirim, Yetkin; Zhang, Zhanmin; Centurion, Claudia et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Materials selection for concrete overlays : information survey review and evaluation of existing concrete overlays in Texas

Description: "A comprehensive search and review of the use of concrete overlays by the TxDOT districts as well as other DOTs was conducted, with special emphasis focused on gathering information about the constituent materials and mixture proportioning used in the concrete overlays. This review also included new materials such as fibers used in previous studies and new types of fibers currently available. Publications and articles covering the various overlay rehabilitations were used as the background this… more
Date: April 2011
Creator: Kim, Dong Hyun; Trevino, Manuel; Whitney, David P. & Ferron, Raissa
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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