Evaluating the Impact of Overweight Load Routing on Buried Utility Facilities [Report 1] (open access)

Evaluating the Impact of Overweight Load Routing on Buried Utility Facilities [Report 1]

From abstract: This report focuses on the year one project objectives, which were (a) provide a review of technical design and engineering requirements for utility accommodation in Texas, (b) provide a preliminary assessment of potential impact of overweight loads on buried utilities, (c) provide a preliminary assessment of Utility Accommodation Rules (UAR) adequacy to deal with overweight loads on buried utilities, (d) provide preliminary recommendations for a business process for Texas Department of Transportation overweight routing coordination, and (e) provide recommendations for the phase 2 utility damage evaluation.
Date: February 2011
Creator: Kraus, Edgar; Fernando, Emmanuel; Li, Yingfeng; Oh, Jeong Ho; Koncz, Nicholas & Quiroga, Cesar
Object Type: Report
System: The Portal to Texas History
Development of a MASH TL-3 median barrier gate (open access)

Development of a MASH TL-3 median barrier gate

Report regarding a median barrier gate designed to both offer protection to motorists and easier cross-median access for emergency and maintenance vehicles.
Date: February 2011
Creator: Bligh, Roger P.; Arrington, Dusty R.; Sheikh, Nauman Mansoor; Silvestri, Chiara & Menges, Wanda L.
Object Type: Report
System: The Portal to Texas History
Benefits of Public Roadside Safety Rest Areas in Texas :  technical report (open access)

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

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-
Object Type: Report
System: The Portal to Texas History
Development of guidelines for triple left and dual right-turn lanes :  technical report (open access)

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

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.
Object Type: Report
System: The Portal to Texas History
Synthesis and Study of the Roadside Vegetation Establishment Process (open access)

Synthesis and Study of the Roadside Vegetation Establishment Process

"In this report the researchers try to provide a more diverse set of tools and options for Texas Department of Transportation (TxDOT) personnel that will help ensure timely vegetation establishment to meet Texas Pollutant Discharge Elimination System (TPDES) regulatory requirements, minimize project delays, and help reduce long-term costs in vegetation development and management."
Date: May 2011
Creator: Storey, Beverly J.; Schutt, James R.; McFalls, Jett A.; Jones, Kim D.; Garza, Abel P.; Gaus, Teresa A. et al.
Object Type: Report
System: The Portal to Texas History
White Paper:  State of ITS Industry and Assessment of Project Types (open access)

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

"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
Object Type: Paper
System: The Portal to Texas History
Traffic signal operations handbook workshop series :  final report (open access)

Traffic signal operations handbook workshop series : final report

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.
Object Type: Report
System: The Portal to Texas History
Performance Measures for Public Transit Mobility Management (open access)

Performance Measures for Public Transit Mobility Management

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 level of program implemented.
Date: December 2011
Creator: Sen, Lalita; Majumdar, Sarmistha R.; Highsmith, Meredith; Cherrington, Linda K. & Gilliland, Cynthia A. Weatherby
Object Type: Report
System: The Portal to Texas History
Development of a MASH TL-2 guardrail-to-bridge rail transition compatible with 31-inch guardrail (open access)

Development of a MASH TL-2 guardrail-to-bridge rail transition compatible with 31-inch guardrail

Report discussing the development of a transition roadway rail that is suitable on lower-speed roadways and that is suitable for implementation.
Date: December 2011
Creator: Bligh, Roger P.; Arrington, Dusty R. & Menges, Wanda L.
Object Type: Report
System: The Portal to Texas History
High RAP mixes design methodology with balanced performance (open access)

High RAP mixes design methodology with balanced performance

"This report presents a comprehensive study focusing on methodologies to improve the performance of high reclaimed asphalt pavement (RAP) content mixes."
Date: August 2011
Creator: Zhou, Fujie; Hu, Sheng; Das, Gautam & Scullion, Tom
Object Type: Report
System: The Portal to Texas History
Research on asset management for safety and operations (open access)

Research on asset management for safety and operations

"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.
Object Type: Report
System: The Portal to Texas History
Signing strategies for low-water and flood-prone highway crossings (open access)

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

"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
Object Type: Report
System: The Portal to Texas History
A portable toolbox to monitor and evaluate signal operations (open access)

A portable toolbox to monitor and evaluate signal operations

Report regarding a portable computer that interfaces with traffic signal cabinets, monitors and logs events that occur within the cabinet, and then analyzes the log files and creates easy to read reports.
Date: September 2011
Creator: Sunkari, Srinivasa R.; Charara, Hassan A. & Songchitruksa, Praprut
Object Type: Report
System: The Portal to Texas History
Work zone positive protection guidelines (open access)

Work zone positive protection guidelines

"In this report the goal of the project was to develop implementation guidance that the Texas Department of Transportation (TxDOT) can use to make better decisions regarding when and where to use positive protection in work zones and when to consider exposure control and other traffic control measures that could improve work zone safety."
Date: May 2011
Creator: Ullman, Gerald L.; Iragavarapu, Vichika & Sun, Dahzi
Object Type: Report
System: The Portal to Texas History
Evaluation and development of pavement scores, performance models and needs estimates :  phase I activities (open access)

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

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
Object Type: Report
System: The Portal to Texas History
MASH test 3-37 of the TxDOT 31-inch w-beam downstream anchor terminal (open access)

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

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.
Object Type: Report
System: The Portal to Texas History
Development of guidelines for pedestrian safety treatments at signalized intersections (open access)

Development of guidelines for pedestrian safety treatments at signalized intersections

"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.
Object Type: Report
System: The Portal to Texas History
Studies to determine the effectiveness of automated flagger assistance devices and school crossing devices (open access)

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

"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
Object Type: Report
System: The Portal to Texas History
Modern traffic control devices to improve safety at rural intersections (open access)

Modern traffic control devices to improve safety at rural intersections

"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
Object Type: Report
System: The Portal to Texas History
Applying the Systems Engineering Approach to Video Over IP Projects (open access)

Applying the Systems Engineering Approach to Video Over IP Projects

Abstract: In 2009, the Texas Transportation Institute produced for the Texas Department of Transportation a document called Video over IP Design Guidebook. This report summarized an implementation of that project in the form of a workshop. The workshop was developed and presented as a pilot in Austin in 2010 and taught an additional four times in 2011 in Fort Worth, Lubbock, Houston, and San Antonio.
Date: December 2011
Creator: Thomas, Gary B.
Object Type: Report
System: The Portal to Texas History
Development of the Texas Revenue Estimator and Needs Determination System (T.R.E.N.D.S.) model :  FY 2010 activities (open access)

Development of the Texas Revenue Estimator and Needs Determination System (T.R.E.N.D.S.) model : FY 2010 activities

Report that recaps the continued development of the Texas Revenue Estimator and Needs Determination System model.
Date: July 2011
Creator: Ellis, David; Glover, Brianne; Norboge, Nicolas & Zhi, Yuan
Object Type: Report
System: The Portal to Texas History
Development of the Transportation Revenue Estimator and Needs Determination System (TRENDS) Forecasting Model: MPO Sub-Models and Maintenance (open access)

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