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Active Research


When a research study begins, a project capsule is published, outlining the need for the research, the study's objectives and methodology, and the potential for future implementation. LTRC publications are available as .pdf downloads. Click below to install Adobe Acrobat Reader for free:

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Click on an area listed below to see active research in that area. Then, click on the project title to download the capsule:

Bituminous

20-2B: Feasibility and Performance of Low-Volume Roadway Mixture Design

20-1B: Evaluation of Performance and Life-Cycle Cost of Asphalt (8/18 Specifications)

19-4B: Implementation of Semi-circular Bend (SCB) Test for QC/QA of Asphalt Mixtures

19-2B: Development of a Moisture Sensitivity Test for Asphalt Mixtures

18-5B: Evaluation of Asphalt Rubber and Reclaimed Tire Rubber in Chip Seal Applications

18-4B: Effect of Increased Asphalt Pavement Density on its Durability

17-1B: Field Implementation of Handheld FTIR Spectrometer for Polymer Content Determination and for Quality Control of RAP Mixtures

17-4B: Development of a 4.75-mm (No. 4) NMS Mixture

16-4B: Evaluation of Non-SBS Modified Binders using the Multiple Stress Creep Recovery Test

15-1B: Evaluation of Crumb Rubber Modification of Louisiana Mixtures

14-1B: Effects of Temperature Segregation on the Volumetric and Mechanistic Properties of Asphalt Mixtures

Concrete

20-2C: Using the Portable XRF to Identify/Verify Field Material Properties

20-1C: Evaluation of the Miniature Concrete Prism Test (MCPT) for use in DOTD

18-6C: Influence of Internal Curing on Measured Resistivity

17-1C: Effect of Clay Content on Alkali-Carbonate Reactive (ACR) Dolomitic Limestone

16-1C: Radio Frequency Identification (RFID) Tagging for Material Tracking and Future Asset Management

14-5C: DOTD Support for UTC Project: Development of Rapid PCC Pavement Repair Materials and Construction Techniques

14-4C: Evaluation of Bonded Concrete Overlays over Asphalt under Accelerated Loading

Geotechnical

20-2GT: Instrumentation and Modeling of Geosynthetic Load Transfer Platform Performance

20-1GT: Literature Search on Use of Plastic Pipes in Highway Engineering for DOTD’s Needs

19-2GT: Quality Control/Assurance on Base Course and Embankment with the Dynamic Cone Penetrometer

19-1GT: Maintenance of Roadway Edge Drop-Off Utilizing Readily Available Materials

18-4GT: Geotechnical Asset Management for Louisiana

17-2GT: Update the Pile Design by CPT Software to Incorporate Newly Developed Pile-CPT Methods and Other Design Features

16-1GT: Geotechnical Design Manual

16-6GT: Incorporating the Site Variability and Laboratory/ In-situ Testing Variability of Soil Properties in Geotechnical Engineering Design

13-3GT: Finite Element Analysis of the Lateral Load Test on Battered Pile Group at I-10 Twin Span Bridge

11-1GT: In-situ Evaluation of Design Parameters and Procedures for Cementitiously Treated Weak Subgrades using Cyclic Plate Load Tests

Pavement

19-2P: Mechanistic Characterization of Asphalt Overlays for Pavement Rehabilitation and Preservation Using Pavement ME Approach

19-1P: Application of Mechanistic-Empirical Pavement Design Approach into RCC Pavement Thickness Design

18-4P: Cost-Effective Detection and Repair of Moisture Damage in Pavements

18-2P: Mitigating Joint Reflective Cracks using Stone Interlayers: Case Study on Louisiana Highway 5, Desoto Parish

18-1P: Exploration of Drone and Remote Sensing Technologies in Highway Embankment Monitoring and Management (Phase I)

16-2P: Transportation Infrastructure Asset Damage Cost Recovery Correlated with Shale Oil/Gas Recovery Operations in Louisiana

16-5P: Pavement Service Life Extension Due to Asphalt Surface Treatment Interlayer

16-6P: Quality Management of Cracking Distress Survey in Flexible Pavements using LTRC Digital Highway Data Vehicle

Pooled Fund/UTC

19-3PF: Synthesis on the Best Practices for State DOTs to Determine Project Delivery Time, Project Management,and Ratio of Consultant to In-House Design

19-1PF: Synthesis on Documenting and Tracking Research Implementation

14-5PF: Design and Analysis Procedures for Asphalt Mixtures Containing High RAP Contents and/or RAS

16-1PF: Development of a Guidebook for Determining the Value of Research Results

Safety

19-5SA: Young Driver Crashes in Louisiana: Understanding the Contributing Factors to Decrease the Numbers

19-4SA: Impact of Centerline Rumble Strips and Shoulder Rumble Strips on all Roadway Departure Crashes in Louisiana Two-Lane Highways

19-3SA: Pedestrians and Bicyclists Count, Phase 2: Implementing and Applying Multimodal Demand Data

19-1SA: Evaluation of Counting Device for Pedestrians and Bicyclists

18-5SA: Evaluating Pedestrian Crossings on High Speed Urban Arterials

18-4SA: Intersection on Horizontal Curves: Problems and Potential Solutions

18-2SA: Louisiana’s Alcohol-Impaired Driving Problem: An Analysis of Crash and Cultural Factors

Special Studies

20-1SS: The Future of the Louisiana Waterways Transportation System: A System Analysis and Plan to Move Commerce by Water

19-5SS: Assessing the Economic Benefits of the Transportation Infrastructure Model for Development (TIMED) Program

19-4SS: The Impact of the Louisiana Rail Infrastructure: A System Analysis and Plan

19-3SS: Exploring Non-Traditional Methods of Obtaining Vehicle Volumes

19-2SS: Determining Louisiana’s Roundabout Capacity

18-6SS: An Assessment of DOTD’s Consultant Plan Development and Performance Rating Process

18-4SS: ITE Trip Generation Modification Factors for Louisiana

18-3SS: Evaluation of DOTD’s Existing Queue Estimation Procedures

17-5SS: Development of Guidelines for Ramp Metering Implementation and Performance Evaluation on I-12

17-4SS: Dredging Louisiana’s Navigable Waterways: a Statewide Systematic Approach to Meeting Dredging Needs

17-3SS: Hurricane Evacuation Modeling Package

16-5SS: Diverted Traffic Measurement

15-2SS: Cost and Time Benefits for Using Subsurface Utility Engineering in Louisiana

14-5SS: LTRC Project Management and Tracking System Enhancement

10-6SS: Establishing an Intelligent Transportation System (ITS) Lab at LTRC Phase II

Structures

20-2ST: Skew Detection System Replacement of Vertical Lift Bridges (Phase I)

20-1ST: Developing the Load Distribution Formula for Louisiana Culverts

18-4ST: Load Rating of Existing Continuous Stringers on Louisiana's Bridges

15-3ST: Rehabilitation of Deteriorated Timber Piles using Fiber Reinforced Polymer (FRP) Composites

16-1ST: Retrofit of Existing Statewide Louisiana Safety Walk Bridge Barrier Railing Systems

16-4ST: Over Height Impact Avoidance and Incident Detection System

14-1ST: Evaluating Louisiana New Deck Continuity Detail for Precast Prestressed Concrete Girder Bridges