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Performance Measures for Public Transit Mobility Management

Description: Report that looks at the state of mobility management practice throughout Texas, as well as national best practices in mobility management. Additionally, this research provides an overview of the varying roles of state departments of transportation in public transit mobility management efforts. The research also presents applied mobility management for agencies seeking to implement mobility management programs as well as a menu of performance measures that can be utilized based on the type and … more
Date: December 2011
Creator: Sen, Lalita; Majumdar, Sarmistha R.; Highsmith, Meredith; Cherrington, Linda K. & Gilliland, Cynthia A. Weatherby
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Development guidance for sign design standards

Description: "This two-year project was designed to provide TxDOT with comprehensive review and update of mounting details and standards for large and small sign supports, and to provide a mechanism for TxDOT to quickly and effectively evaluate and address high priority needs related to sign support systems."
Date: November 2011
Creator: Silvestri, Chiara; Arrington, Dusty R.; Bligh, Roger P. & Menges, Wanda L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Development of the Transportation Revenue Estimator and Needs Determination System (TRENDS) Forecasting Model: MPO Sub-Models and Maintenance

Description: "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
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Signing strategies for low-water and flood-prone highway crossings

Description: "In this report the Texas Transportation Institute (TTI) developed a guidelines and recommendations for creating signing uniformity for low-water and flood-prone sections of roadways. TTI also developed criteria for when to implement active water-level detection and advance warning systems at low-water crossings and flood-prone roadway sections."
Date: November 2011
Creator: Higgins, Laura; Chrysler, Susan T.; Pesti, Geza & Chaudhary, Nadeem
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

White Paper: State of ITS Industry and Assessment of Project Types

Description: "This report describes the state of the intelligent transportation system (ITS) industry and provides a reference for use in soliciting ITS strategic plan inputs from stakeholders in Texas."
Date: November 2011
Creator: Seymour, Edward J. (Edward James), 1951-; Chaudhary, Nadeem; Middleton, Dan; Brydia, Robert & Miller, Kristine
Item Type: Refine your search to only Paper
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

MASH test 3-37 of the TxDOT 31-inch w-beam downstream anchor terminal

Description: Report discussing the findings of a study exploring issues related to roadside safety devices. It includes background information, system details, test requirements and evaluation criteria, crash test procedures, crash test results, and conclusions.
Date: October 2011
Creator: Bligh, Roger P.; Menges, Wanda L. & Arrington, Dusty R.
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

Studies to determine the effectiveness of automated flagger assistance devices and school crossing devices

Description: "This report describes the methodology and results of analyses performed to determine motorist understanding, as well as the operational and safety effectiveness, of automated flaggers assistance devices (AFADs) relative to the use of flaggers at lane closures on two-lane, two-way roadways."
Date: October 2011
Creator: Finley, Melisa D.; Ullman, Brooke R.; Trout, Nada D. & Park, Eun Sug
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Modern traffic control devices to improve safety at rural intersections

Description: "The goal of this project was to obtain a better understanding of modern TCD capabilities. Researchers conducted the following tasks literature review, crash data examination, TxDOT district survey, laboratory survey, field study, and development of principles for selecting TCDs."
Date: September 2011
Creator: Fitzpatrick, Kay; Chrysler, Susan T.; Sunkari, Srivivasa R.; Cooper, Joel; Park, Byung-Jung & Higgins, Laura
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Traffic signal operations handbook workshop series : final report

Description: Report documenting the development and conduct of a two-year series of workshops to share information with Texas Department of Transportation (TxDOT) engineers and technicians regarding the cost-effective design and operation of traffic signals at intersections along state highways in Texas.
Date: September 2011
Creator: Pratt, Michael P. & Bonneson, James A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Use of Intelligent Transportation Systems in rural work zones

Description: "This project defined an approach to integrating data collected and traveler information displayed in a work zone with a regional transportation management center and/or other state websites. The project conducted a literature review to define the state of the practice in work zone Intelligent Transportation Systems (ITS; smart work zones) and worked with the Texas Department of Transportation traffic managers to identify their safety and nobility needs in a work zone and where ITS can play a r… more
Date: September 2011
Creator: Middleton, Daniel R.; Brydia, Robert; Pesti, Geza; Songchitruksa, Praprut; Balke, Kevin N. & Ullman, Gerald
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Development of guidelines for pedestrian safety treatments at signalized intersections

Description: "This document summarized the research conducted and the conclusions reached during the development of guidelines for pedestrian safety treatments at signalized intersections. The guidelines are focused on treatments that alleviate conflicts between left-turning vehicles and pedestrians."
Date: August 2011
Creator: Pratt, Michael P.; Songchitruksa, Praprut & Bonneson, James A.
Item Type: Refine your search to only Report
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
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Mobility and economic effects of system investments in Texas: 2010 to 2020

Description: "The report summarizes estimates of the consequences of current funding levels and a range of greater and lesser funding amounts. The report describes the population, travel, system extent and expenditure data and analyses used to develop the mobility and economic effect analyses. An associated study by the Center for Transportation Research analyzed pavement maintenance spending and condition. Both the mobility and pavement studies were used as part of the March 2011 Texas 2030 Committee repor… more
Date: August 2011
Creator: Lomaz, Tim
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Research on asset management for safety and operations

Description: "This report provided Texas Department of Transportation (TxDOT) with guidance on developing a well-designed asset management system as a critical component of the agency's approach to providing for the mobility of its customers, preserving the infrastructure already in place, planning for future improvements of that infrastructure, and being responsive and accountable to the public regarding the investment of their tax dollars."
Date: August 2011
Creator: Jasek, Debbie; Carson, Jodi L.; Theiss, LuAnn; Songchitruksa, Praprut; Perkins, Judy; Yang, Yonggao et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Development of guidelines for triple left and dual right-turn lanes : technical report

Description: Report regarding the development of geometric and signal design guidelines for triple left-turn lanes and dual right-turn lanes and then evaluatues the safety of such sites in Texas.
Date: July 2011
Creator: Cooner, Scott A.; Ranft, Stephen E.; Rathod, Yatin K.; Qi, Yi; Yu, Lei; Wang, Yubian et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Evaluation and development of pavement scores, performance models and needs estimates : phase I activities

Description: Report that documents the results of two completed tasks for the "Evaluation and Development of Pavement Scores, Performance Models and Needs Estimates" project.
Date: June 2011
Creator: Gharaibeh, Nasir G. (Nasir Ghaleb), 1967-; Freeman, Thomas J.; Wimsatt, Andrew James, 1964- & Zou, Yajie
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Benefits of Public Roadside Safety Rest Areas in Texas : technical report

Description: Report regarding efforts to develop a benefit-cost analysis methodology for safety rest areas in Texas and to demonstrate its application in select corridors throughout the state. This project also considers approaches to developing rest areas that could reduce costs to the public.
Date: May 2011
Creator: Carson, Jodi L.; Pezoldt, Val J.; Koncz, Nicholas A., 1964- & Obeng-Boampong, Kwaku Oduro, 1977-
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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