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82nd Legislature of Texas
156
Journal of the House of Representatives, Texas Legislature
129
Fiscal Year 2011
92
Texas State Parks GeoCache Challenge Cards
87
Technical report (Texas Transportation Institute)
46
Fiscal Year 2012
34
Primary Care Case Management Primary Care Provider and Hospital List
33
University of Texas System Reports
33
Texas Sunset Advisory Commission Reports
20
Final report (Texas. Sunset Advisory Commission)
19
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The Medallion, Volume 49, Number 4, Fall 2011
Quarterly publication of the Texas Historical Commission containing articles about historic sites, events, and conservation in Texas, as well as organizational and related news.
Date:
Autumn 2011
Creator:
Texas Historical Commission
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
An Assessment and Framework of Management Science Applications for TxDOT
Report discussing the results of a project in which researchers implemented a systematic approach to identify the domains within the Texas Department of Transportation (TxDot) where Operations Research and Management Science (OR/MS) techniques could lead to substantial improvements.
Date:
October 2011
Creator:
Waller, S. Travis; Walewski, John; Chang, Carlos; Fajardo, David; Lasdon, Leon; Montes, Edith et al.
Object Type:
Report
System:
The Portal to Texas History
Texas Energy Sector: Past and Future
"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
Object Type:
Report
System:
The Portal to Texas History
Traffic Operations and Safety Benefits of Active Traffic Strategies on TxDOT Freeways
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
Object Type:
Report
System:
The Portal to Texas History
Implementation of Database for TxDOT ARRA Projects
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 of the 0-6592 database that TxDOT's Construction Division (CST) can implement into an existing TxDot database. This report describes the implementation of the database and procedures for updating it.
Date:
August 2011
Creator:
Persad, Khali R. & Suri, Jasjyot S.
Object Type:
Report
System:
The Portal to Texas History
Evaluation of Corrosion Resistance of Improved Post-Tensioning Materials After Long-Term Exposure Testing
Technical report on the results of a study evaluating the corrosion resistance of post-tensioned beams after four years of aggressive cyclic ponded saltwater exposure.
Date:
October 2011
Creator:
McCool, G. E.; Ahern, M. E.; Breen, J. E. & Wood, S. L.
Object Type:
Report
System:
The Portal to Texas History
Literature review of current practices in dealing with fluctuations of maintenance budgets
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
Object Type:
Report
System:
The Portal to Texas History
Prioritization of highway maintenance functions using multi-attribute decision making with fuzzy pairwise comparison
Report on a methodological framework to help highway agencies develop maintenance plans that are minimally impacted by budget fluctuations. It includes a case study testing the effectiveness of the methodology using data from the Texas Department of Transportation.
Date:
September 2011
Creator:
Zhang, Zhanmin & Liu, Wenxing
Object Type:
Report
System:
The Portal to Texas History
The Economic Efficiency of Allowing Longer Combination Vehicles in Texas
Paper discussing the economic efficiency of allowing longer combination vehicles to operate in Texas.
Date:
August 2011
Creator:
Walton, C. Michael & Bienkowski, Bridget N.
Object Type:
Report
System:
The Portal to Texas History
Evaluating the effect of street network connectivity on first/last mile transit performance
"This study defines a novel connectivity indicator (CI) to predict transit performance by identifying the role that street network connectivity plays in influencing the service quality of demand responsive feeder transit services."
Date:
November 2011
Creator:
Chandra, Shailesh. & Quadrifoglio, Luca
Object Type:
Report
System:
The Portal to Texas History
Evaluation, presentation and repair of microbial acid-produced attack of concrete
This report evaluates the severity of the deterioration in bridges to determine if microbial induced deterioration (MID) is a significant contributor by visual inspection and a number of tests on twelve selected columns. This report also evaluates the effectiveness of suggested test procedures on identifying microbial attack on concrete and the integrity of deteriorated concrete due to the attack.
Date:
October 2011
Creator:
Hu, Jiong; Hahn, Dittmar; Rudzinski, Walter; Wang, Zhuo & Estrada, Luzelva
Object Type:
Report
System:
The Portal to Texas History
CAM Mix Design With Local Aggregates
"This study provides revised mix design recommendations for crack attenuating mixtures (CAM) with local aggregates. The use of lower quality aggregates is cost beneficial but limits the application of these mixes in terms of reduced performance. Aggregate guidelines and aggregate quality criteria are provided to enhance the rutting and cracking performance of these mixes. The mix design recommendations as well as aggregate guidelines and quality criteria provided in the report are based on laboratory investigations and field validation is strongly recommended before implementation."
Date:
October 2011
Creator:
Smit, Andrè de Fortier; Prasad, Sivaram; Prozzi, Jorge Alberto & Tahmoressi, Maghsoud
Object Type:
Report
System:
The Portal to Texas History
Estimating Texas motor vehicle operating costs : final report
"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.
Object Type:
Report
System:
The Portal to Texas History
Implementing a project and portfolio management system for TxDOT project development
"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 project development phase. It was successfully completed by overcoming technical, technological, and cultural challenges inherent with any implementation of this scale and magnitude."
Date:
October 2011
Creator:
Khwaja, Nabeel
Object Type:
Report
System:
The Portal to Texas History
Continuous prestressed concrete girder bridges. Volume 1, Literature review and preliminary designs
"The Texas Department of Transportation (TxDOT) is currently designing typical highway bridge structures as simply supported using standard precast, pretension-ed girders. TxDOT is interested in developing additional economical design alternatives for longer span bridges, through the use of the continuous precast, pretension-ed concrete bridge structures that use spliced girder technology. The objectives of this portion of the study are to evaluate the current stat-of-the-art and practice relevant to continuous precast concrete girder bridges and recommend suitable continuity connections for use with typical Texas bridge girders."
Date:
October 2011
Creator:
Mander, John B.; Parkar, Anagha S. & Hueste, Mary Beth D.
Object Type:
Report
System:
The Portal to Texas History
Developing a mixture design specification for flexible base construction
"In the Texas Department of Transportation (TxDOT), flexible base producers typically generate large stockpiles of material exclusively for TxDOT projects. This large "state-only" inventory often maintained by producers, along with time requirements for testing and reduced manpower within TxDOT offices, resulted in this project's investigation into a mixture-design specification for flexible base. The goals of this project are to develop a flexible base specification that reduces TxDOT's burden for sampling and testing, reduces time and space burdens on producers for maintaining TxDOT-only stockpiles, and maintains or improves the quality of the base."
Date:
October 2011
Creator:
Epps, Jon A.; Sebesta, Stephen; Sahin, Hakan; Button, Joe; Luo, Rong & Lytton, Robert
Object Type:
Report
System:
The Portal to Texas History
Positive feedback: exploring current approaches in iterative travel demand model implementation
"This project researched current trends, practices, and tools in implementing a feedback approach for potential implementation in the TxDOT TDMs."
Date:
October 2011
Creator:
Reeder, Phillip; Bhat, Chandra; Lorenzini, Karen & Hall, Kevin
Object Type:
Report
System:
The Portal to Texas History
Statewide implementation of PAVE-IR in the Texas Department of Transportation
Report on demonstrations of Pave-IR thermal profiling on eight construction projects around Texas.
Date:
September 2011
Creator:
Scullion, Thomas & Scullion, Tom
Object Type:
Report
System:
The Portal to Texas History
Use of dowel bars at longitudinal construction joints
Report discussing the primary objective of this research project, whcih was to develop rational guidelines on the use of dowel bars in longitudinal construction joints (LCJs) for better-performing concrete pavements without potential longitudinal cracking problems.
Date:
August 2011
Creator:
Ha, Soojun; Cobos, Luis; Choi, Cheol Choi; Yeon, Jungheum; Cho, Byounghooi & Won, Moon C.
Object Type:
Report
System:
The Portal to Texas History
Best Practice for Using RAS in HMA
"The use of recycles asphalt shingles (RAS) in hot-mix asphalt (HMA) mixtures has the potential to significantly reduce the cost of asphalt paving mixes while conserving energy and preserving the environment. This report documents the best practices for the use of RAS in HMA in terms of Ras processing, characterizing the processed RAS (binder content,gradations, and performance grad [PG]), RAS mix design, production, and field construction."
Date:
October 2011
Creator:
Zhou, Fujie; Button, Joe W. & Epps, Jon
Object Type:
Report
System:
The Portal to Texas History
Project Report on the Continued Development and Analysis of the Flexible Pavements Database
Report on the development of the Texas Flexible Pavement database and the first 7 months of a stage two project, after which the project was terminated.
Date:
February 2011
Creator:
Banerjee, Ambarish; Aguiar-Moya, José Pablo; Sivaram, Prasad; Smit, Andre de F. & Prozzi, Jorge Alberto
Object Type:
Report
System:
The Portal to Texas History
Impacts of energy developments on the Texas Transportation System infrastructure
"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
Object Type:
Report
System:
The Portal to Texas History
Focus Report, Volume 82, Number 3, February 18, 2011
"This report reviews the rules and procedures used in the committees of the Texas House of Representatives."
Date:
February 18, 2011
Creator:
Texas. Legislature. House of Representatives. Research Organization.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Development of the Transportation Revenue Estimator and Needs Determination System (TRENDS) Forecasting Model: MPO Sub-Models and Maintenance
"This report summarizes the technical work performed developing and incorporating Metropolitan Planning Organization sub-models into the existing Texas Revenue Estimator and Needs Determination System (TRENDS) model. Additionally, this report explains the maintenance and monthly updates performed on the TRENDS model."
Date:
November 2011
Creator:
Glover, Brianne; Norboge, Nicolas & Ellis, David
Object Type:
Report
System:
The Portal to Texas History