19 Matching Results

Search Results

Results: 1 - 19

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

CAM Mix Design With Local Aggregates

Description: "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 la… more
Date: October 2011
Creator: Smit, Andrè de Fortier; Prasad, Sivaram; Prozzi, Jorge Alberto & Tahmoressi, Maghsoud
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Developing a mixture design specification for flexible base construction

Description: "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… more
Date: October 2011
Creator: Epps, Jon A.; Sebesta, Stephen; Sahin, Hakan; Button, Joe; Luo, Rong & Lytton, Robert
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Best Practice for Using RAS in HMA

Description: "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
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

Characterization of Exhaust Emissions From Heavy-Duty Diesel Vehicles in the Houston-Galveston-Brazoria Area

Description: "For this study, a total of 30 heavy-duty diesel vehicles (HDDVs) were selected from City of Houston (COH) fleet based on opacity testing for HEs and random selection for non-HEs. With the selected 30 vehicles, driving and idling emission testing were performed to characterize their emissions with respect to vehicle classes, types (HE or non-HE), and model years."
Date: October 2011
Creator: Johnson, Jeremy D.; Lee, Doh-Won; Farzaneh, Reza; Zietsman, Josias & Yu, Lei
Item Type: Refine your search to only Report
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.
Item Type: Refine your search to only Report
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.
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 Commission on Environmental Quality Requests for Legislative Appropriations: Fiscal Years 2010 and 2011, REVISED

Description: Revised report submitted by the Texas Commission on Environmental Quality containing background information on the commission, and summaries of requests for appropriations and expenditures for the fiscal years 2010 and 2011 with supporting documentation.
Date: October 10, 2008
Creator: Texas Commission on Environmental Quality
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department

Texas State Technical College West Texas Requests for Legislative Appropriations: 2010 and 2011

Description: Report submitted by Texas State Technical College West Texas in Sweetwater to the Texas 81st regular legislature requesting appropriations to fund programming and activities. It includes an overview of the institution's goals, summaries of appropriations requests for fiscal years 2010 and 2011, and supporting documentation.
Date: October 2008
Creator: Texas State Technical College West Texas
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department

Texas State Technical College Harlingen Requests for Legislative Appropriations: 2010 and 2011

Description: Report submitted by Texas State Technical College Harlingen to the Texas 81st regular legislature requesting appropriations to fund programming and activities. It includes an overview of the institution's goals, summaries of appropriations requests for fiscal years 2010 and 2011, and supporting documentation.
Date: October 2008
Creator: Texas State Technical College Harlingen
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department
Back to Top of Screen