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Feasibility of Solar Powered Traffic Signs in Houston: A Step Toward Sustainable Control Devices

Description: This report provides information on retrofitting the signalized traffic intersections and retrofitting the signals to solar energy and switching to light emitting diodes (LED) the city will see major energy and cost savings, as well as a significant decrease in maintenance cost and time due to longer lifespan of the LEDs and solar panels.
Date: August 2012
Creator: Miller, Alexandra (Writer on transportation); Goodwin, Ronald E. & Godazi, Khosro
Partner: UNT Libraries Government Documents Department

Nanotechnology-Based System for Damage-Resistant Concrete Pavements

Description: This report's focus was to explore the use of nanotechnology-based nanofilaments, such as carbon nanotubes (CNTs) and nanofibers (CNFs), as reinforcement for improving the mechanical properties of Portland cement paste and creating multifunctional and sensing concrete. (p. 1).
Date: August 2012
Creator: Abu Al-Rub, Rashid K.
Partner: UNT Libraries Government Documents Department

Comparing Perceptions and Measures of Congestion

Description: This report attempts to connect the relationship between perceived congestion as determined by IBM's Commuter Pain Survey results and measured congestion from the Urban Mobility Report (UMR) in 10 cities across the United States.
Date: October 2012
Creator: Le, Minh; Turner, Shawn; Wikander, John & Poe, Chris
Partner: UNT Libraries Government Documents Department

2012 Transportation Security Institute: Recruiting Next Generation Professionals

Description: This report focuses on the mission and objectives of transportation security professionals and introduces a pre-selected group of high school students to the various career opportunities within the profession.
Date: August 2012
Creator: Godazi, Khosro; Goodwin, Ronald E. & Miller, Alexandra (Writer on transportation)
Partner: UNT Libraries Government Documents Department

Comparison Between Vehicular Emissions from Real-World In-Use Testing and EPA MOVES Estimation

Description: This research study developed a methodology to perform mandatory dynamometer vehicular emissions tests on real roads, performed on-road emissions tests, and compared the test results to the estimates using the current EPA emissions estimation model.
Date: July 2012
Creator: Lee, Doh-Won; Johnson, Jeremy; Lv, Jinpeng; Novak, Kristen & Zietsman, Josias
Partner: UNT Libraries Government Documents Department

Transit Agency Strategies that Encourage Mixed Use around Stations

Description: This report focuses specifically on the role of the transit agency in encouraging development proximate to transit and investigates selected transit authorities within the United States to determine what strategies and steps they are taking to facilitate proximate desirable development around their stations. (p. 1).
Date: August 2012
Creator: Lewis, Carol Abel; Onyejekwe, Sandra; Collins, Darlene & McGaughay, Kenneth
Partner: UNT Libraries Government Documents Department

Interim Report to the 83rd Texas Legislature: Senate Transportation Committee

Description: Report from the Texas Senate Transportation Committee describing the group's goals, activities, accomplishments, and other information, for review by the 83rd Texas Legislature.
Date: February 2013
Creator: Texas. Legislature. Senate. Transportation Committee.
Partner: UNT Libraries Government Documents Department

Interim Report to the 83rd Texas Legislature: House Committee on Transportation

Description: Report from the Texas House Committee on Transportation describing the group's goals, activities, accomplishments, and other information, for review by the 83rd Texas Legislature.
Date: December 20, 2012
Creator: Texas. Legislature. House of Representatives. Committee on Transportation.
Partner: UNT Libraries Government Documents Department

Validation of field test methods for use of tire bales

Description: Report discussing an implementation project that validates field test methods for checking he conformity of tire bales used in transportation applications.
Date: February 2012
Creator: Zornber, Jorge C.; Freilich, Brian J. & Guzman, Carlos
Partner: UNT Libraries Government Documents Department

An Assessment and Framework of Management Science Applications for TxDOT

Description: 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.
Partner: UNT Libraries Government Documents Department

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
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
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.
Partner: UNT Libraries Government Documents Department

Application guide and specifications for geotextiles in roadway applications

Description: Abstract: "Geotextiles, one among the different geosynthetic products, can be used for a number of functions or applications in pavement design. The benefits of using geotextiles in pavements and other transportation applications have triggered a proliferation of products. While this abundance of new products has led to reduction in costs, it has also made it difficult for TxDOT personnel to choose appropriate products based on their engineering properties. Consequently, this report provides th… more
Date: February 2012
Creator: Zornberg, Jorge G. & Thompson, Nathan
Partner: UNT Libraries Government Documents Department

Training Manual for Pavement Concrete Proportioning Method

Description: "This manual presents a method to proportion concrete paving mixtures made with manufactured sands and increased micro-fines percentages in a step-by-step manner. This method was adapted from Koehler's (2007) proportioning method for self-consolidating concrete" (p. 1).
Date: February 2010
Creator: McLeroy, Meredith; Fowler, David; Won, Moon & Whitney, David
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
Partner: UNT Libraries Government Documents Department
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