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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:


21-5B: Improvement of Open-Graded Friction Course (OGFC) Performance and Durability through Materials, Design, and Maintenance

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

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


20-3C: Feasibility and Advantages of Accepting Concrete Other Than 28 Days

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


21-2GT: Geotechnical Database, Phase IV

21-1GT: Internal Friction Angle of Sands with High Fines Content

20-4GT: Feasibility Study on Geophysical Methods to Estimate Geotechnical Properties in Louisiana

20-3GT: Development of a Design Methodology for Geosynthetic Reinforced Pavement using Finite Element Numerical Modeling

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

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

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


21-2P: Correlation of Rut Depths Measured by the Profilers of LTRC and DOTD PMS

21-1P: Prediction of Road Condition and Smoothness for Flexible and Rigid Pavements in Louisiana Using Neural Networks

20-4P: Assessment of DOTD’s Friction Aggregate Sources through Laboratory and Accelerated Testing

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

18-2P: 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)

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


21-1SA: Highway Safety Culture Assessment through Louisiana’s Regions

20-3SA: Minimum Intersection Illumination

20-1SA: Evaluation of Traffic Crash Characteristics on Elevated Sections of Interstates in Louisiana

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

19-2SA: Reduce Pedestrian Fatal Crashes in Louisiana by Improving Lighting Conditions

Special Studies

21-5SS: Determining the True Cost and Benefit for Collecting and Maintaining Non-road and Non-bridge Asset Data

21-4SS: Develop and Evaluate Performance Measures for Intelligent Transportation Systems (ITS) in Louisiana

21-3SS: Evaluating Permitted/Protected Versus Protected Left Turn Signals in Louisiana

21-2SS: Evaluate the Impacts of Complete Streets Policy in Louisiana

21-1SS: The Impact of the Louisiana Grade Crossings: A Synthesis and System Analysis

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

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


22-1ST: Investigating and Developing a MASH Compliant Contraflow Ramp Closure Gate

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

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