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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
Partner: UNT Libraries Government Documents Department

Megaregion freight movements : a case study of the Texas triangle

Description: "U.S. population growth is predicted to substantially increase over the next 40 years, particularly in areas with large regional economies forecasted to contain over two-thirds of the national economic activity. In Texas, population growth from 200 to 2040 is predicted to increase around 72% and produce a diverse population of some 36 million. This will comprise 12% rural and 88% urban, much of it in the 26 metropolitan areas. These population and economic estimates stimulated the exploration o… more
Date: September 2011
Creator: Harrison, Robert & Seedah, Dan
Partner: UNT Libraries Government Documents Department

Opportunities and challenges for high-speed rail corridors in Texas

Description: "This thesis seeks to clarify the potential for passenger rail specifically in Texas through comparison and contrast with other regions and nations in the midst of new national-level knowledge and the changing transportation opportunities and challenges facing the state."
Date: September 2011
Creator: Walton, C. Michael & Carroll, Todd
Partner: UNT Libraries Government Documents Department

Texas Department of Transportation Administration Research: Tasks Completed Fiscal Year 2011

Description: "This research project evaluates numerous transportation issues and develops findings and/or recommendations based on results. This project has been structured to address some of the emerging, critical, and unique considerations related to transportation."
Date: October 2011
Creator: Anderson, S. D.; Beaty, Curtis; Ding, Liang; Ellis, David; Epps, Jon; Estakhri, Cindy K. et al.
Partner: UNT Libraries Government Documents Department

School Traffic Workshop: Dealing With Texas-Sized Problems Around Schools

Description: "This report summarized the series of "Traffic around Schools"" workshops conducted throughout the state of Texas to familiarize TxDOT employees and partner agencies with two key products from previous research projects (0-4286 and 0-5470) and other tools and guidance that are available for dealing with problems around schools."
Date: October 2011
Creator: Brewer, Marcus A.; Fitzpatrick, Kay & Cooner, Scott A.
Partner: UNT Libraries Government Documents Department

Collision Loads on Bridge Piers: Phase 2. Report of Guidelines for Designing Bridge Piers and Abutments for Vehicle Collisions

Description: "An instrumented, simulated bridge pier was constructed, and two full-scale collisions with an 80,000-lb van-type tractor-trailer were performed on it. The trailer was ballasted with bags of sand on pallets. The simulated pier was 36 inches in diameter and was supported in the longitudinal direction by two load cells. Force-versus-time data were obtained from the load cells."
Date: March 2011
Creator: Buth, Eugene; Brackin, Michael S.; Williams, William F. & Fry, Gary T.
Partner: UNT Libraries Government Documents Department

Taxiway aircraft traffic analysis at George Bush Intercontinental Airport

Description: Report assessing the congestion at George Bush International Airport (IAH) by analyzing taxi times and flight data during different hours of the day. The capacity of IAH is investigated by examining the number of departing flights on the ground. The report shows that IAH is operating close to the capacity most of the time.
Date: August 2011
Creator: Yin, Kai; Tian, Chunyu; Wang, Bruce X. & Quadrifoglio, Luca
Partner: UNT Libraries Government Documents Department

Texas Department of Transportation administration research: tasks completed Fiscal Year 2010

Description: "This research project evaluates numerous transportation issues and develops findings and/or recommendations based on results. This project has been structured to address some of the emerging, critical, and unique considerations related to transportation."
Date: February 2011
Creator: Baker, Richard; Ding, Liang; Epps, Jon; Estakhri, Cindy K.; Fry, Gray; Geiselbrecht, Tina et al.
Partner: UNT Libraries Government Documents Department

Implementation of Transverse Variable Asphalt Rate seal coat practices in Texas

Description: An implementation project was performed to expand use of transversely varied asphalt rate (TVAR) seal coat practices in all districts. The project included nine regional workshops, continued field texture testing of test sites, provided one set of sand patch test equipment to each Texas Department of Transportation (TxDOT) district, and published 500 copies of the TVAR Field Guide for broad TxDOT distribution.
Date: January 2011
Creator: Krugler, Paul E. & Estakhri, Cindy K.
Partner: UNT Libraries Government Documents Department

Manual for Assessing Safety Hardware test 3-11 of the Texas Department of Transportation Portable Concrete Traffic Barriers with sign support assembly

Description: This report presents the details of the design developed for mounting the traffic control sign support on top a portable concrete traffic barrier (PCTB), description of the full scale crash test performed on the design, and an assessment and evaluation of the performance of the PCTB with the sign support mounted on top according to specifications of "Manual for Assessing Safety Hardware" (MASH). The PCTB mounted sign support assembly anchored to the top of the TxDOT Type 2 PCTB tested for this … more
Date: January 2011
Creator: Williams, William F. & Menges, Wanda L.
Partner: UNT Libraries Government Documents Department

Safety and economic impacts of converting two-way frontage roads to one-way : methodology and findings

Description: Report on research develop information to communicate the safety and economic impacts of converting frontage roads from two-way to one-way. Researchers studied five locations in Texas where frontage roads were converted from two-way operation to one-way operation and developed accident modification factors related to frontage road conversion segments that roadway designers can use to guide frontage road conversion project planning.
Date: January 2011
Creator: Eisele, William L.; Yager, Christine E.; Brewer, Marcus A.; Frawley, William E.; Park, Eun Sug; Lord, Dominique et al.
Partner: UNT Libraries Government Documents Department

Manual for Assessing Safety Hardware test 3-11 on the Texas T101 bridge rail

Description: Report on a study examining the impact performance of T101 bridge rails with pickup trucks. The study determined the T101 bridge rail did not meet Manual for Assessing Safety Hardware evaluation criteria for test 3-11 and the vehicle overturned after losing contact with the barrier.
Date: March 2011
Creator: Bligh, Roger P. & Menges, Wanda L.
Partner: UNT Libraries Government Documents Department

Microsurfacing in Texas

Description: This report describes the current state of practice of microsurfacing in Texas and compares it to best practices extracted from existing literature. A survey of DOT personnel, contractors and emulsion suppliers in Texas provides insight into the most crucial factors contributing to the success or failure of a microsurfacing. From the results of the survey, literature reviews, case studies and site visits, the research team analyzed material selection and mix design methods, construction practic… more
Date: August 2011
Creator: Broughton, Benjamin & Lee, Soon-Jae
Partner: UNT Libraries Government Documents Department

Planning tools to assess the real estate leveraging potential for roadways and transit: technical report

Description: Report on research examining the implementation of Senate Bill 1266, which provides for alternative funding methods for transportation projects and presenting recommended amendments to address the bill's shortcomings.
Date: January 2011
Creator: Vadali, Sharada; Bujanda, Arturo; Li, Yingfeng; Kuhn, Beverly; Zhang, Ming; Aldrete, Rafael M. et al.
Partner: UNT Libraries Government Documents Department

Realtime monitoring of bridge scour using remote monitoring technology

Description: Report on research performed on the application of instruments including accelerometers and tiltmeters to monitor bridge scour. The instrumentation on the two bridges does not show great hope of application of accelerometers to monitor bridge scour because of a lack of sufficient excitation from traffic. Tiltmeters can provide the integral behavior of the bridge, and therefore are very useful devices for scour monitoring. Guidelines and protocols for scour monitoring based on the US59 over Guad… more
Date: February 2011
Creator: Briaud, Jean-Louis; Hurlebaus, Stefan; Chang, Kuang-An; Yao, Congpu; Sharma, Hrishikesh; Yu, Ok-Youn et al.
Partner: UNT Libraries Government Documents Department
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