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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

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

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

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

18-4GT: Geotechnical Asset Management for Louisiana

18-1GT: Analysis of Driven Pile Capacity within Pre-Bored Soil

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

17-1GT: Verification and Implementation of Set-up Empirical Models in Pile Design

16-1GT: Geotechnical Design Manual

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

13-5GT: Monitoring of In-Service Geosynthetic Reinforced Soil (GRS) Bridge Abutments in Louisiana

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

15-1GT: pLog Enterprise-Enterprise GIS-Based Geotechnical Data Management System Enhancements

13-9GT: CORS 911: Continuously Operating Reference Stations for the Bayou Corne Sinkhole

11-3GT: Accelerated Load Testing of Geosynthetic Base Reinforced Pavement Test Sections

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

18-3P: Best Practices for Assessing Roadway Damages Caused by Flooding

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)

17-1P: Improving the Use of Crack Sealing to Asphalt Pavement in Louisiana

17-2P: Implementation of a Localized Roughness Specification for Use on Louisiana Bridges

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

12-11P: Field Validation of Equivalent Modulus for Stabilized Subgrade Layer

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

19-2PF: Synthesis on the Contributing Factors and Effective Countermeasures for Low Volume Roadway Fatality Rates in the Southeast

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

19-1SA: 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

18-1SA: Economic Effect of Restricted Crossing U-Turn Intersections in Louisiana

17-1SA: Evaluating the Effectiveness of Regulatory and Warning Signs on Driver Behavior near Highway/Rail Crossings

16-5SA: Highway Work Zone Construction Safety Research and Training: A Driving Simulator Study

16-4SA: Pedestrians and Bicyclists Count: Developing a Statewide Multimodal Count Program

16-1SA: Highway Construction Work Zone Safety Performance and Improvement in Louisiana

15-3SA: Investigating Safety Impact of Centerline Rumble Strips, Lane Conversion, Roundabout and J-Turn Features on Louisiana Highways

Special Studies

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

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

17-6SS: Evaluation of HeadLight: An E-Construction Inspection Technology

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

14-3SS: Development of a Mode Choice Model to Estimate Evacuation Transit Demand

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

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

12-2SS: History of Road Design Standards in LADOTD

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

Structures

18-5ST: Investigating Available State-of-the-Art Technology for Determining Needed Information for Bridge Rating Strategies

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