Texas Transportation Institute
Texas A&M University System
Research. Service. Results.
Project Summary Reports
Summary reports are divided into subject categories.
Bicycle, Pedestrian and Motorcycle
- Revising the Traffic Signal Warrants to Better Accommodate Pedestrians and Cyclists: Summary Report
- An Assessment of Various Pavement Marking Applications and Rumble Strip Designs
- Non-Vital Advance Rail Preemption of Signalized Intersections Near Highway-Rail Grade Crossings
Construction and Maintenance
- Design Guidelines to Accommodate Incident Management
- Improving Long-Term Performance of Cement-Treated Aggregate Base Materials
- Effect of and Alternatives to Restricting Operation of Construction Equipment to Improve Regional Air Quality
- Analysis of Maintenance Treatments Produces Usage Guidelines
- Performance of Full Depth Recycling Projects in Texas: Summary Report
- Density of Longitudinal Construction Joints in Asphalt Concrete Pavements: Is there a Problem?
- Identification, Quantification, and Stabilization of Sulfate-Bearing Soils in Texas
- Development of Guidelines for Maintenance Base Repairs on Expansive Soils
- Recommended Resolutions to Selected Hot Mix Asphalt Related Issues
- Development of a Prototype Crack Simulator
- Protecting Trees and Sensitive Landscape Features
- Practices to Improve the Safety of Mobile and Short Duration Maintenance Operations
- Developing Statewide Recommendations for Rehabilitating Jointed Concrete Pavements
- Use of Crushed Gravel in Concrete Paving
- New Technologies for Measuring Pavement Quality
- Short, Portable Concrete Barrier Simplifies Maintenance Operations
- Comparison of Alternative Seed Mixes to Standard TxDOT Specifications
- Investigation of Spall Repair Materials for Concrete Pavement: Summary Report
Design
- A Methodology for Determining the Economic Impacts of Raised Medians: Final Project Results
- Safety Evaluation of Traffic Control Devices and Breakaway Supports
- Native Vegetation or Bermudagrass? Testing the Erosion Control and Engineering Properties of Roadside Vegetation
- Finite Element Analysis of Roadside Safety Devices
- Issues Related to Design of At-Grade Intersections Near Highway-Railroad Grade Crossings
- Design Guidelines to Accommodate Incident Management
- A New Approach to Aesthetics Design Decision Making for Texas Highways
- Super 2 Highways: Two-Lane Rural Highways with Passing Lanes
- Crash Tests Evaluate Performance of GFRP Reinforced Bridge Rail
- Detecting Segregation with Infrared Imaging and Ground-Penetrating Radar
- Summary Report on Truck Accommodation Design Guidance
- Texas Urban Intersection Design Guide Now Available
- Speeds on Houston Freeway Connector Ramps Show Variations by Vehicle Type
- Performance Evaluation of Two Aesthetic Bridge Rails
- An Overview of the Development of a TxDOT In-Service Performance Evaluation Process for Roadside Safety Features
- Summary Report: Water Quality Characteristics and Performance of Compost Filter Berms
- Performance Evaluation of Guardfence to Bridge Rail Transitions
- Initial Development of a Calibrated Mechanistic Approach and Associated Surrogate Test Protocols for HMAC Mixture Fatigue Characterization
- Research Recommendations for Uniform Rumble Strip Applications in Texas
- Research Recommendations for Delineator and Chevron Applications
- Improving Driver Perception of Signals near Vertical Curves
- Summary of Guidelines for Roadway Facilities Around Schools
- Crash Data Identify Safety Issues for High-Occupancy Vehicle Lanes in Selected Texas Corridors
- Sensitivity Analysis and Strategic Plan for the Implementation of the M-E Design Guide in TxDOT Operations: Summary Report
- Performance Evaluation of the Modified T77 Bridge Rail
- Summary of Comparison of Crashes on Rural Two-Lane and Four-Lane Highways in Texas
- Develop and Implement Traffic Monitoring Equipment Evaluation Facility
- Short, Portable Concrete Barrier Simplifies Maintenance Operations
- The Use of Freeway Shoulders to Increase Capacity
- Comparison of Alternative Seed Mixes to Standard TxDOT Specifications
- Development of Transition Element for Low-Profile Traffic Barrier to Standard Concrete Traffic Barrier
- Impact Performance Assessment of Roadside Safety Appurtenances
- Investigation of Rail Facilities Relocation in the U.S. and Potential Lessons for Texas Rail Planning Initiatives
- Identifying and Testing Effective Advisory Speed Setting Procedures
- Development of High Speed Roadway Design Criteria and Evaluation of Roadside Safety Features
Freight and Pipeline
- The Impact of Mexican Rail Privatization on the Texas Transportation System: Summary Report
- Project Summary Report on the Technical and Economic Feasibility of a Freight Pipeline System in Texas
- Investigation of the Effects of Routine Overweight Truck Traffic on SH4/48
- Model Calibrations with Local APT Data and Implementation for Focused Solutions to NAFTA
- Summary Report: Evaluation of Effects of Tire Size and Inflation Pressure on Tire Contact Stresses and Pavement Response
- Summary Report on Truck Accommodation Design Guidance
- Speeds on Houston Freeway Connector Ramps Show Variations by Vehicle Type
- Effects of Vehicle Type on the Nighttime Visibility of Signs and Pavement Markings
- A Summary of Truck Registration in Texas
- Enhancing Intermodal Service through Public-Private Partnerships in Texas: Summary Report
- A Comprehensive Commodity/Freight Movement Model for Texas
- Guidelines for Vehicle Lane Restrictions in Texas
- Strategies for Separating Trucks from Passenger Vehicle Traffic
- Investigation of Rail Facilities Relocation in the U.S. and Potential Lessons for Texas Rail Planning Initiatives
Operations and Traffic Management
- The TxDOT Sign Crew Field Book
- Using Traffic Legislation to Improve Work Zone Safety
- Changeable Lane Assignment System Improves Incident Management
- A Methodology for Determining the Economic Impacts of Raised Medians: Final Project Results
- Design Factors that Affect Driver Speed on Suburban Arterials
- Safety Evaluation of Traffic Control Devices and Breakaway Supports
- Driver Education Needs and Materials Concerning Traffic Control Devices
- Traffic Sign Retroreflectivity Issues
- Implementation of Arlington Ramp Metering System
- Environmental Monitoring System - A Tool for Traffic Operations During Severe Weather Events
- Issues Related to Design of At-Grade Intersections Near Highway-Railroad Grade Crossings
- Summary of Access Management Programs and Practices in the United States
- Houston Priority Corridor: A Multi-agency Plan
- Use of Innovative Traffic Control Devices to Improve Safety at Short-Term Rural Work Zones
- Design Guidelines to Accommodate Incident Management
- Enhanced Sign Systems at Passive Highway-Railroad Grade Crossings
- Improving Dynamic Message Sign Operations
- Simulation Model Performance Evaluation for Congested Freeway Operations
- Measuring and Improving Incident Response
- Considerations in Assessing the Feasibility of High-Occupancy Toll Lanes
- Methodology for Load-Zoning Pavements
- Timing Diamond Interchanges and Closely Spaced Signals
- Incident and Traveler Information Sharing in Texas
- TransLink: Innovations in Managing the Surface Transportation System
- Utilities in the Right-of-Way: Inventory and Data Management
- Evaluating HOV Lanes in the Dallas Area
- Understanding Road Rage: Driver Irritants and Promising Mitigation Measures
- Arrow Panel and Portable Changeable Message Sign Requirements
- Estimating the Benefits of ITS Projects
- Designing Freeway On-Ramps for Metering
- ITS Data Archiving: Summary Report
- Urban Freeway Signing and the Freeway Signing Handbook
- Summary Report on Improving Diamond Interchange Operations Using Advanced Controller Features
- Pavement Marking Effectiveness and the Pavement Marking Handbook
- Super 2 Highways: Two-Lane Rural Highways with Passing Lanes
- Legibility of Microprismatic Sheeting and Clearview Alphabet: Summary Report
- Summary of Treatments for Crashes on Rural Two-Lane Highways in Texas
- New Detection System for Rural Signalized Intersections
- Improved Traffic Control at Complex Work Zones
- New PASSER Program for Timing Signalized Arterials
- Effective Message Design and Display for Dynamic Message Signs
- Guidance for Managed Lane Facilites in Texas
- Utility Accommodation Options for Congestion in TxDOT Right-of-Way
- Revising the Traffic Signal Warrants to Better Accommodate Pedestrians and Cyclists: Summary Report
- Improving Work Zone Safety Using Traffic Management and Enforcement Tools
- Findings From Texas: Five Years of Research on Managed Lanes - Summary Report
- Advance Warning of Stopped Traffic on Freeways: Summary of Project Activities
- Summary Report on Truck Accommodation Design Guidance
- Effect of Higher-Conspicuity Warning and Regulatory Signs on Driver Behavior
- Texas Urban Intersection Design Guide Now Available
- Speeds on Houston Freeway Connector Ramps Show Variations by Vehicle Type
- An Intelligent Control System for Detecting and Progressing Platoons at Isolated Traffic Signals
- Effects of Vehicle Type on the Nighttime Visibility of Signs and Pavement Markings
- Advance Warning for End-of-Green Phase to Reduce Red-Light-Running
- Guidelines for Using Video Detection at Intersections and Interchanges
- Left-Turn and Rumble Strip Treatments for Rural Intersections: Project Summary Report
- Improving Safety and Operations of Traffic Signals Near Railroad Grade Crossings with Active Warning Devices
- One-Stop Transit Information
- Summary of Access Management Impacts: Access Point Density and Raised Medians
- Pedestrian Signal Head Visibility Performance Requirements and Testing Procedures
- Practices to Improve the Safety of Mobile and Short Duration Maintenance Operations
- Designing Optimal and Robust Traffic Responsive Plan Selection Control
- Future Funding for ITS in Texas
- Research Recommendations for Pavement Marking Words and Symbols
- Research Recommendations for Uniform Rumble Strip Applications in Texas
- Research Recommendations for Delineator and Chevron Applications
- Effectiveness of Dynamic Speed Display Signs (DSDS) in Permanent Applications
- Improving Driver Perception of Signals near Vertical Curves
- Enhancing TxDOT- Regional Toll Authority Cooperation and Coordination
- Real-Time Measures of Traffic Signal Performance
- Wrong-Way Driving on Freeways in Texas: Problems, Issues, and Countermeasures
- Summary of Guidelines for Roadway Facilities Around Schools
- Crash Data Identify Safety Issues for High-Occupancy Vehicle Lanes in Selected Texas Corridors
- Long-Term Research into Vehicle Detector Technologies
- Active Advance Warning Devices Show Promise for School Bus Zone Safety
- Guidelines for Vehicle Lane Restrictions in Texas
- Sensitivity Analysis and Strategic Plan for the Implementation of the M-E Design Guide in TxDOT Operations: Summary Report
- Development of a Texas Congestion Index
- Summary of Comparison of Crashes on Rural Two-Lane and Four-Lane Highways in Texas
- An Assessment of Various Pavement Marking Applications and Rumble Strip Designs
- PILOT 05 - Pattern Identification Logic for Offset Tuning
- Improved Quantification of High Occupancy Vehicle (HOV) Lane Delay Savings: Summary Report
- Using Archived ITS Data to Optimize Incident Detection and Management
- Non-Vital Advance Rail Preemption of Signalized Intersections Near Highway-Rail Grade Crossings
- Improved Work Zone Portable Changeable Message Sign Usage
- Improving TxDOT's Incident Detection Algorithm
- Strategies for Separating Trucks from Passenger Vehicle Traffic
- Methods and Guidelines for Evaluating Dynamic Message Sign Performance
- Use of Advance Coordination Features in TxDOT Traffic Signal Controllers
- Recommendations for Ramp Metering Operations in Texas
- Ethernet for ITS Field Data Communications
- Short, Portable Concrete Barrier Simplifies Maintenance Operations
- The Use of Freeway Shoulders to Increase Capacity
- Data Access Requirements for Texas Traffic Management Centers
- Improving Intersection Safety and Operations Using Advance Warning of End of Green System (AWEGS)
- Clearview Font on Negative Contrast Traffic Signs: Summary Report
- Wireline Communications Workshop for Intelligent Transportation System Applications
- Evaluation of Wet-Weather and Contrast Pavement Marking Applications
- Development of TxDOT Procedures and Specifications for Testing Device Compliance to NTCIP Standards
- Cost-Effective Technologies for Advance Detection
- Development of Guidelines for Ramp Reversal Projects
- Guidelines for the Use of Diagrammatic Guide Signs and Their Alternatives
- Summary of High-Volume External Survey Methods for TxDOT
- Evaluating the Adaptation of HOV Lanes to HOT Lanes: Summary of Development and Application of HOT START Software Tool
- The TxDOT Public-Private Feasibility Analysis Model: Project Summary Report
- Impact Performance Assessment of Roadside Safety Appurtenances
- Investigation of Rail Facilities Relocation in the U.S. and Potential Lessons for Texas Rail Planning Initiatives
- Strategies for Managing Transportation Operations Data
- Managing Freeway Operations During Weather Events
- Identifying and Testing Effective Advisory Speed Setting Procedures
- Best Practices for Access Between Toll Lanes and Free Lanes
- Impacts of Toll Roads on the Regional Economy
- Development of High Speed Roadway Design Criteria and Evaluation of Roadside Safety Features
Pavements and Materials
- SRICOS: Prediction of Scour Rate at Bridge Piers
- High-Cure Crumb Rubber Modified Asphalt for Dense-Graded Mixes
- Performance of Fly Ash as a Base Material on Six Test Pavements in the Atlanta District
- A New Method for Assessing Asphalt Binder Performance Durability
- Windows-Based Flexible Pavement Design Tools for TxDOT
- Improving Long-Term Performance of Cement-Treated Aggregate Base Materials
- Temperature Correction of Backcalculated AC Modulus
- Methodology for Load-Zoning Pavements
- Thermal Coefficient of Expansion Test for Aggregates Using Dilatometry
- Site Investigations with GPR: Implementation Recommendation
- Overview of TxDOT's Traffic Data Collection and Load Forecasting Process
- Fiber-Reinforced Polymer Bars for Reinforcement in Bridge Decks
- Development and Initial Validation of a Surface Performance-Graded Binder Specification
- A New Method for Simulating Hot-Mix Plant Asphalt Aging
- Performance Prediction with the MMLS3 at WesTrack
- Best Superpave Shear Test Protocol for Predicting Rutting
- Detecting Segregation with Infrared Imaging and Ground-Penetrating Radar
- Analysis of Maintenance Treatments Produces Usage Guidelines
- Performance of Full Depth Recycling Projects in Texas: Summary Report
- Density of Longitudinal Construction Joints in Asphalt Concrete Pavements: Is there a Problem?
- TxDOT Binder Quality Assurance Program: Assessment and Improvement
- Investigation of the Effects of Routine Overweight Truck Traffic on SH4/48
- Summary Report for Long-Term Strength of High-Pl Clays
- Model Calibrations with Local APT Data and Implementation for Focused Solutions to NAFTA
- Identification, Quantification, and Stabilization of Sulfate-Bearing Soils in Texas
- Guidelines on the Use of Underseals as a Moisture Barrier
- Nonhazardous Recycled Materials: A Reuse Information System
- Development of Guidelines for Maintenance Base Repairs on Expansive Soils
- Recommended Resolutions to Selected Hot Mix Asphalt Related Issues
- Development of a Prototype Crack Simulator
- Highway Uses of Crushed Concrete Materials
- Evaluation of Simple Performance Tests on HMA Mixtures
- Initial Development of a Calibrated Mechanistic Approach and Associated Surrogate Test Protocols for HMAC Mixture Fatigue Characterization
- Re-evaluation of Potential Vertical Rise Design Procedures
- Developing an Upgraded Overlay Tester System to Characterize the Reflection Cracking Resistance of Asphalt Concrete: Summary Report
- Microcracking for Reduced Shrinkage in Cement-Treated Base
- Developing Statewide Recommendations for Rehabilitating Jointed Concrete Pavements
- Integrating Deflection and Ground Penetrating Radar Data for Pavement Evaluation
- New Technologies for Assessing Quality of HMA Overlays
- Sensitivity Analysis and Strategic Plan for the Implementation of the M-E Design Guide in TxDOT Operations: Summary Report
- Use of Crushed Gravel in Concrete Paving
- New Technologies for Measuring Pavement Quality
- Synthesis of Pavement Issues Related to High-Speed Corridors: Summary Report
- Application of Surface Energy Measurements to Evaluate Moisture Susceptibility of Asphalt and Aggregates
- Develop a Knowledge Management System for TxDOT Pavement-Related Corporate Knowledge
- Investigation of Spall Repair Materials for Concrete Pavement: Summary Report
- Best Design and Construction Practices for Concrete Pavement Transition Areas
- Develop Guidance for Selecting and Cost-Effective Application of Temporary Erosion Control Methods
Planning and Modeling
- Design Factors that Affect Driver Speed on Suburban Arterials
- Implementation of Arlington Ramp Metering System
- Houston Priority Corridor: A Multi-agency Plan
- Emergency Management Guidebook Helps Transit Agencies Prepare for Crises
- Simulation Model Performance Evaluation for Congested Freeway Operations
- Considerations in Assessing the Feasibility of High-Occupancy Toll Lanes
- Timing Diamond Interchanges and Closely Spaced Signals
- Overview of TxDOT's Traffic Data Collection and Load Forecasting Process
- Environmental Compliance Manual for Small Urban and Rural Transit Systems: Summary Report
- An Assessment of Public Involvement Strategies: Summary Report
- The Impact of Mexican Rail Privatization on the Texas Transportation System: Summary Report
- Project Summary Report on the Technical and Economic Feasibility of a Freight Pipeline System in Texas
- A New Approach to Aesthetics Design Decision Making for Texas Highways
- Summary Report on Improving Diamond Interchange Operations Using Advanced Controller Features
- Guidance for Managed Lane Facilites in Texas
- Recommendations for Examining Texas Travel Demand Models
- Advance Warning of Stopped Traffic on Freeways: Summary of Project Activities
- Introducing Smart Growth to Texas: Project Summary Report
- Texas Urban Intersection Design Guide Now Available
- Summary of Access Management Impacts: Access Point Density and Raised Medians
- A Comprehensive Commodity/Freight Movement Model for Texas
- Future Funding for ITS in Texas
- Credit-Based Value Pricing in Texas: An Examination of the Issues
- Real-Time Measures of Traffic Signal Performance
- Benefits of TxDOT Involvement in Local Development Review: Summary Report
- Sensitivity Analysis and Strategic Plan for the Implementation of the M-E Design Guide in TxDOT Operations: Summary Report
- Development of a Texas Congestion Index
- Promoting Smart Growth Texas Style: Implementation Workshops and Proposed Guidelines
- Strategies for Separating Trucks from Passenger Vehicle Traffic
- Funding Strategies and Project Costs for State-Supported Intercity Passenger Rail: Summary Report
- Promoting Local Participation on Transportation Improvement Projects
- Dynamic Traffic Flow Modeling for Incident Detection and Short-Term Congestion Prediction
- Evaluating the Adaptation of HOV Lanes to HOT Lanes: Summary of Development and Application of HOT START Software Tool
- The TxDOT Public-Private Feasibility Analysis Model: Project Summary Report
- Investigation of Rail Facilities Relocation in the U.S. and Potential Lessons for Texas Rail Planning Initiatives
- Integrating Regional Multimodal and Public Transportation Planning
Public Transit
- "Smart Card" Meets Social Service and Transit Needs
- Emergency Management Guidebook Helps Transit Agencies Prepare for Crises
- One-Stop Transit Information
- Funding Strategies and Project Costs for State-Supported Intercity Passenger Rail: Summary Report
- Integrating Regional Multimodal and Public Transportation Planning
- The Role of Private-for-Hire Vehicles in Texas Public Transit
Rail
- Issues Related to Design of At-Grade Intersections Near Highway-Railroad Grade Crossings
- Enhanced Sign Systems at Passive Highway-Railroad Grade Crossings
- The Impact of Mexican Rail Privatization on the Texas Transportation System: Summary Report
- Texas Rural Rail Transportation Districts: Summary Report
- Improving Safety and Operations of Traffic Signals Near Railroad Grade Crossings with Active Warning Devices
- Enhancing Intermodal Service through Public-Private Partnerships in Texas: Summary Report
- Non-Vital Advance Rail Preemption of Signalized Intersections Near Highway-Rail Grade Crossings
- Synthesis of Pavement Issues Related to High-Speed Corridors: Summary Report
- Funding Strategies and Project Costs for State-Supported Intercity Passenger Rail: Summary Report
- The TxDOT Public-Private Feasibility Analysis Model: Project Summary Report
- Investigation of Rail Facilities Relocation in the U.S. and Potential Lessons for Texas Rail Planning Initiatives
Structures
- SRICOS: Prediction of Scour Rate at Bridge Piers
- A New Connection Detail Reduces Cost of Double Tee Bridges
- Cracking in Reinforced Concrete Bent Caps: Summary Report
- Fiber-Reinforced Polymer Bars for Reinforcement in Bridge Decks
- Performance Prediction with the MMLS3 at WesTrack
- Crash Tests Evaluate Performance of GFRP Reinforced Bridge Rail
- Investigation of Settlement at Bridge Approach Slab Expansion Joint: Bump at the End of Bridge
- Summary Report for Long-Term Strength of High-Pl Clays
- Establish Guidance for Soils Properties-Based Prediction of Meander Migration Rate
- Performance Evaluation of Two Aesthetic Bridge Rails
- Truss Bridge Retrofit Railings
- Performance Evaluation of Guardfence to Bridge Rail Transitions
- Performance Evaluation of the Modified T77 Bridge Rail
- Adhesive Anchors for Retrofit/Repair of Bridge Rails: Summary Report
- Impact of LRFD Specifications on the Design of Texas Bridges
Water Transportation
Data and Software
- SRICOS: Prediction of Scour Rate at Bridge Piers
- Design Factors that Affect Driver Speed on Suburban Arterials
- Environmental Monitoring System - A Tool for Traffic Operations During Severe Weather Events
- Finite Element Analysis of Roadside Safety Devices
- Windows-Based Flexible Pavement Design Tools for TxDOT
- Temperature Correction of Backcalculated AC Modulus
- Improving Dynamic Message Sign Operations
- Thermal Coefficient of Expansion Test for Aggregates Using Dilatometry
- Site Investigations with GPR: Implementation Recommendation
- Overview of TxDOT's Traffic Data Collection and Load Forecasting Process
- Utilities in the Right-of-Way: Inventory and Data Management
- A New Method for Simulating Hot-Mix Plant Asphalt Aging
- Performance Prediction with the MMLS3 at WesTrack
- Meander Migration Rate: Evaluation of Some Existing Methods
- ITS Data Archiving: Summary Report
- New PASSER Program for Timing Signalized Arterials
- Effective Message Design and Display for Dynamic Message Signs
- Texas Rural Rail Transportation Districts: Summary Report
- Model Calibrations with Local APT Data and Implementation for Focused Solutions to NAFTA
- Summary Report: Evaluation of Effects of Tire Size and Inflation Pressure on Tire Contact Stresses and Pavement Response
- Establish Guidance for Soils Properties-Based Prediction of Meander Migration Rate
- Development of a Prototype Crack Simulator
- A Comprehensive Commodity/Freight Movement Model for Texas
- Work Zone Crash Influences on Texas Roadways
- Integrating Deflection and Ground Penetrating Radar Data for Pavement Evaluation
- Development of a Texas Congestion Index
- Using Archived ITS Data to Optimize Incident Detection and Management
- Improving TxDOT's Incident Detection Algorithm
- Impact of LRFD Specifications on the Design of Texas Bridges
- Recommendations for Ramp Metering Operations in Texas
- Ethernet for ITS Field Data Communications
- Development of TxDOT Procedures and Specifications for Testing Device Compliance to NTCIP Standards
- Summary of High-Volume External Survey Methods for TxDOT
- Evaluating the Adaptation of HOV Lanes to HOT Lanes: Summary of Development and Application of HOT START Software Tool
- Develop a Knowledge Management System for TxDOT Pavement-Related Corporate Knowledge
- The TxDOT Public-Private Feasibility Analysis Model: Project Summary Report
- Development of Transition Element for Low-Profile Traffic Barrier to Standard Concrete Traffic Barrier
- Strategies for Managing Transportation Operations Data
Environment
- SRICOS: Prediction of Scour Rate at Bridge Piers
- High-Cure Crumb Rubber Modified Asphalt for Dense-Graded Mixes
- Performance of Fly Ash as a Base Material on Six Test Pavements in the Atlanta District
- Native Vegetation or Bermudagrass? Testing the Erosion Control and Engineering Properties of Roadside Vegetation
- Environmental Monitoring System - A Tool for Traffic Operations During Severe Weather Events
- Biotechnical Streambank Stabilization: A Viable Technology in Texas
- Estimating Pollutant Loads for Stormwater Quality
- Environmental Compliance Manual for Small Urban and Rural Transit Systems: Summary Report
- Meander Migration Rate: Evaluation of Some Existing Methods
- Effect of and Alternatives to Restricting Operation of Construction Equipment to Improve Regional Air Quality
- Retrofitting Existing Drainage Systems for Water Quality
- Performance of Full Depth Recycling Projects in Texas: Summary Report
- Investigation of Settlement at Bridge Approach Slab Expansion Joint: Bump at the End of Bridge
- Summary Report for Long-Term Strength of High-Pl Clays
- Streamlining the Environmental Approval Process: Summary Report
- Establish Guidance for Soils Properties-Based Prediction of Meander Migration Rate
- Nonhazardous Recycled Materials: A Reuse Information System
- Highway Uses of Crushed Concrete Materials
- Summary Report: Water Quality Characteristics and Performance of Compost Filter Berms
- Protecting Trees and Sensitive Landscape Features
- Alternatives to In-Kind Wetland Mitigation in Texas: Summary Report
- Comparison of Alternative Seed Mixes to Standard TxDOT Specifications
- Evaluation of Wet-Weather and Contrast Pavement Marking Applications
- Managing Freeway Operations During Weather Events
- Develop Guidance for Selecting and Cost-Effective Application of Temporary Erosion Control Methods
Finance/Economics
- A Methodology for Determining the Economic Impacts of Raised Medians: Final Project Results
- "Smart Card" Meets Social Service and Transit Needs
- Estimating Pollutant Loads for Stormwater Quality
- The Impact of Mexican Rail Privatization on the Texas Transportation System: Summary Report
- Estimating the Benefits of ITS Projects
- Effect of and Alternatives to Restricting Operation of Construction Equipment to Improve Regional Air Quality
- Analysis of Maintenance Treatments Produces Usage Guidelines
- Recommended Resolutions to Selected Hot Mix Asphalt Related Issues
- A Summary of Truck Registration in Texas
- Future Funding for ITS in Texas
- Credit-Based Value Pricing in Texas: An Examination of the Issues
- Enhancing TxDOT- Regional Toll Authority Cooperation and Coordination
- Evaluation of Florida DOT Transportation Safety Devices
- Funding Strategies and Project Costs for State-Supported Intercity Passenger Rail: Summary Report
- Promoting Local Participation on Transportation Improvement Projects
- Transportation and the Texas Economy
- The TxDOT Public-Private Feasibility Analysis Model: Project Summary Report
- Develop Guidance for Selecting and Cost-Effective Application of Temporary Erosion Control Methods
- Impacts of Toll Roads on the Regional Economy
Policy/Legal
- Using Traffic Legislation to Improve Work Zone Safety
- Design Factors that Affect Driver Speed on Suburban Arterials
- Summary of Access Management Programs and Practices in the United States
- Houston Priority Corridor: A Multi-agency Plan
- Environmental Compliance Manual for Small Urban and Rural Transit Systems: Summary Report
- An Assessment of Public Involvement Strategies: Summary Report
- The Impact of Mexican Rail Privatization on the Texas Transportation System: Summary Report
- Project Summary Report on the Technical and Economic Feasibility of a Freight Pipeline System in Texas
- Effect of and Alternatives to Restricting Operation of Construction Equipment to Improve Regional Air Quality
- Guidelines to Reduce Red-Light-Running
- Texas Rural Rail Transportation Districts: Summary Report
- Retrofitting Existing Drainage Systems for Water Quality
- Improving Work Zone Safety Using Traffic Management and Enforcement Tools
- Investigation of the Effects of Routine Overweight Truck Traffic on SH4/48
- Streamlining the Environmental Approval Process: Summary Report
- Model Calibrations with Local APT Data and Implementation for Focused Solutions to NAFTA
- Advance Warning for End-of-Green Phase to Reduce Red-Light-Running
- A Summary of Truck Registration in Texas
- Alternatives to In-Kind Wetland Mitigation in Texas: Summary Report
- Enhancing Intermodal Service through Public-Private Partnerships in Texas: Summary Report
- Future Funding for ITS in Texas
- Enhancing TxDOT- Regional Toll Authority Cooperation and Coordination
- Identifying and Treating Locations with a Red-Light-Running Problem
- Benefits of TxDOT Involvement in Local Development Review: Summary Report
- Guidelines for Vehicle Lane Restrictions in Texas
- Promoting Smart Growth Texas Style: Implementation Workshops and Proposed Guidelines
- Summary of Treatments to Improve Work Zone Speed Limit Compliance
- Development of TxDOT Procedures and Specifications for Testing Device Compliance to NTCIP Standards
- Promoting Local Participation on Transportation Improvement Projects
- Develop a Knowledge Management System for TxDOT Pavement-Related Corporate Knowledge
- The TxDOT Public-Private Feasibility Analysis Model: Project Summary Report
- Integrating Regional Multimodal and Public Transportation Planning
- Strategies for Managing Transportation Operations Data
- Identifying and Testing Effective Advisory Speed Setting Procedures
- Develop Guidance for Selecting and Cost-Effective Application of Temporary Erosion Control Methods
Rural Transportation
- Environmental Compliance Manual for Small Urban and Rural Transit Systems: Summary Report
- Super 2 Highways: Two-Lane Rural Highways with Passing Lanes
- Summary of Treatments for Crashes on Rural Two-Lane Highways in Texas
- New Detection System for Rural Signalized Intersections
- Left-Turn and Rumble Strip Treatments for Rural Intersections: Project Summary Report
- Summary of Comparison of Crashes on Rural Two-Lane and Four-Lane Highways in Texas
Safety and Human Performance
- Using Traffic Legislation to Improve Work Zone Safety
- Design Factors that Affect Driver Speed on Suburban Arterials
- Safety Evaluation of Traffic Control Devices and Breakaway Supports
- Driver Education Needs and Materials Concerning Traffic Control Devices
- Traffic Sign Retroreflectivity Issues
- Finite Element Analysis of Roadside Safety Devices
- Summary of Access Management Programs and Practices in the United States
- Emergency Management Guidebook Helps Transit Agencies Prepare for Crises
- Use of Innovative Traffic Control Devices to Improve Safety at Short-Term Rural Work Zones
- Enhanced Sign Systems at Passive Highway-Railroad Grade Crossings
- Improving Dynamic Message Sign Operations
- Measuring and Improving Incident Response
- Understanding Road Rage: Driver Irritants and Promising Mitigation Measures
- Estimating the Benefits of ITS Projects
- Guidelines to Reduce Red-Light-Running
- Legibility of Microprismatic Sheeting and Clearview Alphabet: Summary Report
- Summary of Treatments for Crashes on Rural Two-Lane Highways in Texas
- New Detection System for Rural Signalized Intersections
- Improved Traffic Control at Complex Work Zones
- Crash Tests Evaluate Performance of GFRP Reinforced Bridge Rail
- Improving Work Zone Safety Using Traffic Management and Enforcement Tools
- Advance Warning of Stopped Traffic on Freeways: Summary of Project Activities
- Summary Report on Truck Accommodation Design Guidance
- Effect of Higher-Conspicuity Warning and Regulatory Signs on Driver Behavior
- Speeds on Houston Freeway Connector Ramps Show Variations by Vehicle Type
- Effects of Vehicle Type on the Nighttime Visibility of Signs and Pavement Markings
- Advance Warning for End-of-Green Phase to Reduce Red-Light-Running
- Left-Turn and Rumble Strip Treatments for Rural Intersections: Project Summary Report
- Improving Safety and Operations of Traffic Signals Near Railroad Grade Crossings with Active Warning Devices
- Performance Evaluation of Two Aesthetic Bridge Rails
- An Overview of the Development of a TxDOT In-Service Performance Evaluation Process for Roadside Safety Features
- Summary of Access Management Impacts: Access Point Density and Raised Medians
- Pedestrian Signal Head Visibility Performance Requirements and Testing Procedures
- Practices to Improve the Safety of Mobile and Short Duration Maintenance Operations
- Research Recommendations for Pavement Marking Words and Symbols
- Research Recommendations for Uniform Rumble Strip Applications in Texas
- Effectiveness of Dynamic Speed Display Signs (DSDS) in Permanent Applications
- Work Zone Crash Influences on Texas Roadways
- Improving Driver Perception of Signals near Vertical Curves
- Identifying and Treating Locations with a Red-Light-Running Problem
- Wrong-Way Driving on Freeways in Texas: Problems, Issues, and Countermeasures
- Summary of Guidelines for Roadway Facilities Around Schools
- Evaluation of Florida DOT Transportation Safety Devices
- Crash Data Identify Safety Issues for High-Occupancy Vehicle Lanes in Selected Texas Corridors
- Motorist Safety at Active Nighttime Work Zones in Texas
- Active Advance Warning Devices Show Promise for School Bus Zone Safety
- Guidelines for Vehicle Lane Restrictions in Texas
- Performance Evaluation of the Modified T77 Bridge Rail
- Summary of Comparison of Crashes on Rural Two-Lane and Four-Lane Highways in Texas
- Summary of Treatments to Improve Work Zone Speed Limit Compliance
- Non-Vital Advance Rail Preemption of Signalized Intersections Near Highway-Rail Grade Crossings
- Improved Work Zone Portable Changeable Message Sign Usage
- Improving Intersection Safety and Operations Using Advance Warning of End of Green System (AWEGS)
- Clearview Font on Negative Contrast Traffic Signs: Summary Report
- Evaluation of Wet-Weather and Contrast Pavement Marking Applications
- Guidelines for the Use of Diagrammatic Guide Signs and Their Alternatives
- Develop a Knowledge Management System for TxDOT Pavement-Related Corporate Knowledge
- Development of Transition Element for Low-Profile Traffic Barrier to Standard Concrete Traffic Barrier
- Impact Performance Assessment of Roadside Safety Appurtenances
- Development of High Speed Roadway Design Criteria and Evaluation of Roadside Safety Features
Urban Mobility
- Design Factors that Affect Driver Speed on Suburban Arterials
- "Smart Card" Meets Social Service and Transit Needs
- Simulation Model Performance Evaluation for Congested Freeway Operations
- Measuring and Improving Incident Response
- TransLink: Innovations in Managing the Surface Transportation System
- Environmental Compliance Manual for Small Urban and Rural Transit Systems: Summary Report
- Evaluating HOV Lanes in the Dallas Area
- ITS Data Archiving: Summary Report
- Texas Urban Intersection Design Guide Now Available
- A Comprehensive Commodity/Freight Movement Model for Texas
- Enhancing TxDOT- Regional Toll Authority Cooperation and Coordination
- Development of a Texas Congestion Index
- Improved Quantification of High Occupancy Vehicle (HOV) Lane Delay Savings: Summary Report
- Using Archived ITS Data to Optimize Incident Detection and Management
- Data Access Requirements for Texas Traffic Management Centers
- Development of Guidelines for Ramp Reversal Projects
- Investigation of Rail Facilities Relocation in the U.S. and Potential Lessons for Texas Rail Planning Initiatives
- Integrating Regional Multimodal and Public Transportation Planning
Workforce Development
- The TxDOT Sign Crew Field Book
- Emergency Management Guidebook Helps Transit Agencies Prepare for Crises
- Environmental Compliance Manual for Small Urban and Rural Transit Systems: Summary Report
- A New Approach to Aesthetics Design Decision Making for Texas Highways
- Urban Freeway Signing and the Freeway Signing Handbook
- Pavement Marking Effectiveness and the Pavement Marking Handbook
- Summary of Guidelines for Roadway Facilities Around Schools
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