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Turner-Fairbank Highway Research Center
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# What's New - Research Publications 2021

We are committed to providing our visitors with useful and updated information. We invite you to visit this page frequently to see what items have been added or updated on the Turner-Fairbank Highway Research Center Web site.

**December**

**Content Link: **PBCAT-Pedestrian and Bicycle Crash Analysis Tool Version 3.0**Date: **December 30, 2021**Publication No.:   **FHWA-HRT-22-038**Category:  **safety, research**Type:   **Techbrief**PDF:    ** **Content Link:  ** Decision Support for Traffic Management Systems-Current Practices**Date: **December 29, 2021**Publication No.:   **FHWA-HRT-21-108**Category:   **research, operations**Type:   **Report**PDF:    ** **Content Link:  ** FHWA Interactive Highway Safety Design Model (IHSDM) Website**Date: **December 23, 2021**Publication No.:   **FHWA-HRT-22-033**Category:   **research, safety**Type:   **Flyer**PDF:    ** **Content Link: **Building Information Modeling (BIM) Practices in Highway Infrastructure: FHWA Global Benchmarking Program Report**Date: **December 22, 2021**Publication No.: **FHWA-HRT-22-048**Category:  **infrastructure, pavements, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Rivers and Roads Connection Program Fact Sheet**Date: **December 21, 2021**Publication No.: **FHWA-HRT-21-094**Category:  **infrastructure, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** FHWA Update for Research and Technology Coordinating Committee**Date: **December 20, 2021**Publication No.:  ****Category:   **research, technology**Type:   **TechBrief**PDF:    ** **Content Link:  ** CARMA Simulation Enabling Cooperative Driving Automation Research**Date: **December 17, 2021**Publication No.:   **FHWA-HRT-22-028**Category: **research, operations, intelligent transportation systems, ITS**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Long-Term Bridge Performance Program Data Collection Workshop**Date: **December 16, 2021**Publication No.:   **FHWA-HRT-22-015**Category:  **infrastructure, bridges, research**Type:   **Summary Report**PDF:    ** **Content Link:  ** A Platform for the Transportation Industry to Cooperatively Develop and Test in a Secure Environment**Date: **December 15, 2021**Publication No.:  ****Category:   **research, operations**Type:   **Fact Sheet**PDF:    **

**November**

**Content Link:  ** Developing Crash Modification Factors For Variable Speed Limits**Date: **November 16, 2021**Publication No.:   **FHWA-HRT-21-080**Category:   **research, safety**Type:   **Techbrief**PDF:    ** **Content Link:  ** Applying Bundled Speed-Harmonization, Cooperative Adaptive Cruise Control, and Cooperative-Merge Applications to Managed-Lane Facilities**Date: **November 9, 2021**Publication No.:   **FHWA-HRT-21-008**Category:   **research, operations**Type:   **Report**PDF:    ** **Content Link:  ** Fast Lane Newsletter Summer 2021**Date: **November 2, 2021**Publication No.:   **FHWA-HRT-22-008**Category:   **research, safety**Type:   **Newsletter**PDF:    **

**October**

**Content Link:  ** In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests, Lowndesboro, AL**Date: **October 27, 2021**Publication No.:   **FHWA-HRT-22-005**Category:  **infrastructure, structures, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** FHWA Research and Technology Evaluation TechBrief: High Friction Surface Treatments**Date:   **posted October 26, 2021**Publication No.:   **FHWA-HRT-21-098**Category:  **safety, infrastructure, research, pavements**Type:   **Techbrief**PDF:    ** **Content Link:  ** LTPP Newsletter - Summer 2021, September 2021**Date: **October 25, 2021**Publication No.:  **FHWA-HRT-21-099**Category:  **infrastructure, pavements, materials, LTPP**Type:   **Newsletter**PDF:    ** **Content Link:  ** Crash Modification Factor for Corner Radius, Right-Turn Speed, and Prediction of Pedestrian Crashes at Signalized Intersections**Date: **October 21, 2021**Publication No.:   **FHWA-HRT-21-106**Category:   **research, safety**Type:   **Techbrief**PDF:    ** **Content Link:  ** In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests, Watkins, CO**Date: **October 13, 2021**Publication No.:   **FHWA-HRT-21-100**Category:  **infrastructure, structures, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** CARMA Adds to the Cooperative Driving Automation (CDA) Message Set to Improve Intelligent Transportation Systems (ITS) Communications**Date: **October 12, 2021**Publication No.:   **FHWA-HRT-21-104**Category:   **research, operations, intelligent transportation systems, ITS**Type:   **Fact Sheet**PDF:    **

**September**

**Content Link:  ** Cooperative Automation Research: CARMA Proof-of-Concept Transportation System Management and Operations Use Case 2**Date: **September 28, 2021**Publication No.:   **FHWA-HRT-21-069**Category:   **research, operations**Type:   **Report**PDF:    ** **Content Link:  ** Innovative Intersection Designs for Pedestrians and Bicyclists**Date: **September 28, 2021**Publication No.:   **FHWA-HRT-21-097**Category:  **safety, research**Type:   **Brochure**PDF:    ** **Content Link:  ** Developing Crash Modification Factors for Bicycle-Lane Additions While Reducing Lane and Shoulder Widths**Date: **September 24, 2021**Publication No.:   **FHWA-HRT-21-013**Category:   **research, safety**Type:   **Report**PDF:    ** **Content Link:  ** Developing Analysis, Modeling, and Simulation Tools for Connected Automated Vehicle Applications: Traffic Optimization for Signalized Corridors-Case Studies in Ann Arbor, MI, and Conroe, TX**Date: **September 24, 2021**Publication No.:   **FHWA-HRT-21-085**Category:   **research, operations**Type:   **Report**PDF:    ** **Content Link:  ** Cooperative Automation Research: CARMA Proof-of-Concept Transportation System Management and Operations Use Case 4 - Dynamic Lane Assignment**Date: **September 23, 2021**Publication No.:   **FHWA-HRT-21-068**Category:   **research, operations**Type:   **Report**PDF:    ** **Content Link:  ** Developing Crash Modification Factors for Guardrails, Utility Poles, and Side-Slope Improvements**Date: **September 23, 2021**Publication No.:   **FHWA-HRT-21-076**Category:   **research, safety**Type:   **Techbrief**PDF:    ** **Content Link:  ** Improving the Compatibility of Waste**Date: **September 23, 2021**Publication No.:   **FHWA-HRT-21-084**Category:   **research, exploratory advanced research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Collection of Data with Unmanned Aerial Systems (UAS) for Bridge Inspection and Construction Inspection**Date: **September 20, 2021**Publication No.:   **FHWA-HRT-21-086**Category:  **infrastructure, bridges, research**Type:   **Report**PDF:    ** **Content Link:  ** Research and Technology Evaluation TechBrief: eNEPA**Date: **September 20, 2021**Publication No.:   **FHWA-HRT-21-092**Category:   **research, technology**Type:   **Techbrief**PDF:    ** **Content Link:  ** Long-Term Pavement Performance Data Analysis Plan**Date: **September 17, 2021**Publication No.:   **FHWA-HRT-21-088**Category: ** infrastructure, pavements, materials, LTPP**Type:   **Techbrief**PDF:    ** **Content Link:  ** Developing Crash Modification Factors for Guardrails, Utility Poles, and Side-Slope Improvements**Date: **September 17, 2021**Publication No.:   **FHWA-HRT-21-075**Category:  **safety, research**Type:   **Report**PDF:    ** **Content Link:  ** Developing Analysis, Modeling, and Simulation Tools for Connected and Automated Vehicle Applications**Date: **September 16, 2021**Publication No.:   **FHWA-HRT-21-077**Category:   **research, operations**Type:   **Report**PDF:    ** **Content Link:  ** Multiresolution Modeling for Traffic Analysis: State-of-Practice and Gap Analysis Report**Date: **September 16, 2021**Publication No.: **FHWA-HRT-21-082**Category:   **research, operations**Type:   **Report**PDF:    ** **Content Link:  ** Effective Practices for Routine Bridge Inspections Using Unmanned Aerial Systems**Date:**September 14, 2021**Publication No.: **FHWA-HRT-21-083**Category:  **infrastructure, materials, bridges, research**Type:   **Techbrief**PDF:    ** **Content Link:  ** Trajectory Investigation for Enhanced Calibration of Microsimulation Models**Date:**September 14, 2021**Publication No.:   **FHWA-HRT-21-071**Category:  **safety, operations, infrastructure, research**Type:   **Report**PDF:    **

**August**

**Content Link:  ** An Exploration of Pedestrian Safety Through the Integration of HSIS and Emerging Data Sources: Case Study in Charlotte, NC**Date: **August 31, 2021**Publication No.:   **FHWA-HRT-21-087**Category:   **research, safety, HSIS**Type:   **Report**PDF:    ** **Content Link:  ** Pier Scour Estimation for Tsunami at Bridges**Date: **August 30, 2021**Publication No.:   **FHWA-HRT-21-073**Category: **infrastructure, bridges, research**Type:   **Techbrief**PDF:    ** **Content Link:  ** Wind-Tunnel Investigations of the Aerodynamics of Bridge Stay Cable Cross-Sectional Shapes**Date:**August 26, 2021**Publication No.:   **FHWA-HRT-21-074**Category:  **infrastructure, structures, bridges, research**Type:   **Report**PDF:    ** **Content Link:  ** FHWA Research and Technology Evaluation: High Friction Surface Treatments**Date: ** August 24, 2021**Publication No.:   **FHWA-HRT-21-014**Category:   **research, safety**Type:   **Report**PDF:    ** **Content Link:  ** Cooperative Automation Research: CARMA Proof-of-Concept Transportation System Management and Operations Use Case 1 - Basic Arterial Travel - Stop-Controlled Intersections**Date: ** August 17, 2021**Publication No.:   **FHWA-HRT-21-070**Category:   **research, operations**Type:   **Report**PDF:    ** **Content Link:  ** Ruggedness and Interlaboratory Studies for Asphalt Mixture Performance Tester (AMPT) Cyclic Fatigue Test: Phase I Report**Date: **August 10, 2021**Publication No.:   **FHWA-HRT-21-057**Category:  **infrastructure, pavements, research**Type:   **Report**PDF:    ** **Content Link:  ** In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests, Reserve, KS**Date: ** August 9, 2021**Publication No.:   **FHWA-HRT-21-079**Category:  **infrastructure, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Determination of Improved Pavement Smoothness When Using 3D Modeling and Automatic Machine Guidance**Date: **August 5, 2021**Publication No.:   **FHWA-HRT-21-059**Category:  **infrastructure, pavements, research**Type:   **Report**PDF:    ** **Content Link:  ** Dynamic Properties of Stay Cables on the Leonard P. Zakim Bunker Hill Bridge**Date: ** August 4, 2021**Publication No.:   **FHWA-HRT-21-058**Category: ** infrastructure, bridges, research**Type:   **Report**PDF:    ** **Content Link:  ** In-Situ Scour Testing Device (ISTD), State Demonstrations of Field Soil Tests in Farwell, NE**Date:**August 3, 2021**Publication No.:   **FHWA-HRT-21-078**Category:  **infrastructure, materials, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Securing Vehicle-to-Vehicle Communication Through Consortium Blockchain**Date: ** August 2, 2021**Publication No.:   **FHWA-HRT-21-048**Category:   **research, exploratory advanced research**Type:   **Fact Sheet**PDF:    **

**July**

**Content Link: **FHWA Research and Technology Evaluation: Innovative Intersection Design**Date: **July 30, 2021**Publication No.: **FHWA-HRT-21-024**Category: **research, technology**Type:   **Report**PDF:    ** **Content Link:  ** State Planning and Research SubPart B - Division Program Action Checklist**Date:  ** July 29, 2021**Publication No.:   **FHWA-HRT-21-072**Category:   **research, operations**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Advancing BIM for Infrastructure: National Strategic Roadmap**Date:  ** July 28, 2021**Publication No.: **FHWA-HRT-21-064**Category: **infrastructure, pavements**Type:   **Report**PDF:    ** **Content Link:  ** United States-Japan Bridge Engineering Workshop: Innovative Bridge Design and Preservation**Date:  ** July 27, 2021**Publication No.:   **FHWA-HRT-21-067**Category:   **Infrastructure, bridges, research**Type:   **Report**PDF:    ** **Content Link:  ** FHWA InfoMaterials Dataset Management**Date: **July 27, 2021**Publication No.:   **FHWA-HRT-21-065**Category:  **infrastructure, pavements, research**Type:   **Techbrief**PDF:    ** **Content Link:  ** FHWA Research and Technology Evaluation: eNEPA**Date:  ** July 26, 2021**Publication No.:   **FHWA-HRT-20-044**Category:   **research, technology**Type:   **Report**PDF:    ** **Content Link:  ** Controlled-Environment Testing of UAS Digital Camera Sensor Specifications and Operational Parameters for Bridge Safety Inspections**Date:  ** July 23, 2021**Publication No.:   **FHWA-HRT-21-060**Category:  **infrastructure, materials, bridges, research**Type:   **Techbrief**PDF:    ** **Content Link:  ** Developing Crash Modification Factors for Variable Speed Limits**Date: ** July 22, 2021**Publication No.:   **FHWA-HRT-21-053**Category:  **safety, research**Type:   **Report**PDF:    ** **Content Link:  ** LTBP Newsletter, Summer 2021**Date: ** July 21, 2021**Publication No.:  **FHWA-HRT-21-063**Category:  **infrastructure, bridges, research**Type:   **Newsletter**PDF:    ** **Content Link:  ** Developing Crash Modification Factors for Bicycle-Lane Additions While Reducing Lane and Shoulder Widths**Date: ** July 20, 2021**Publication No.:   **FHWA-HRT-21-012**Category:  **safety, research**Type:   **Techbrief**PDF:    ** **Content Link:  ** Review and Assessment of Current Modeling Techniques in Support of Next-Generation Rollover Research--Phase I**Date: ** July 20, 2021**Publication No.:   **FHWA-HRT-21-045**Category:  **safety, research**Type:   **Report**PDF:    ** **Content Link:  ** Public Roads Magazine, Summer 2021**Date: **July 16, 2021**Publication No.:  **FHWA-HRT-21-004**Category:   **Public Roads**Type:   **Periodical**PDF:    ** **Content Link:  ** FHWA Research and Technology Evaluation: Truck Platooning**Date: **July 13, 2021**Publication No.: **FHWA-HRT-20-071**Category:   **Advanced Research**Type:   **Report**PDF:    ** **Content Link:  ** Narrowing Freeway Lanes and Shoulders to Create Additional Travel Lanes**Date: ** July 9, 2021**Publication No.:   **FHWA-HRT-21-005**Category:   **research, operations**Type:   **Report**PDF:    **

**June**

**Content Link:  ** Corrosivity of Water-Soluble Sulfate Ions in Simulated Pore Water Solutions and Different Types of Grout Samples**Date: ** June 25, 2021**Publication No.:   **FHWA-HRT-21-052**Category:  **infrastructure, structures, bridges, research**Type:   **Report**PDF:    ** **Content Link:  ** Statistical Analysis of Pavement Profiler Data to Evaluate the Bump at the End of the Bridge**Date: ** June 11, 2021**Publication No.:   **FHWA-HRT-21-037**Category:  **infrastructure, bridges, research**Type:   **Report**PDF:    ** **Content Link:  ** TechBrief: Effective Practices for Using UAS During Bridge Construction**Date: **June 10, 2021**Publication No.:   **FHWA-HRT-21-040**Category:  **infrastructure, bridges, research**Type:   **Techbrief**PDF:    ** **Content Link:  ** LTPP Newsletter - Spring 2021, May 2021**Date:  ** June 9, 2021**Publication No.:  **FHWA-HRT-21-062**Category:  **infrastructure, pavements, research, LTPP**Type:   **Newsletter**PDF:    ** **Content Link: **Impacts of Automated Vehicles on Highway Infrastructure**Date: ** June 8, 2021**Publication No.:   **FHWA-HRT-21-051**Category:  **infrastructure, pavements, research**Type:   **Techbrief**PDF:    ** **Content Link: **Effective Practices for Managing Bridge Inspection Data Captured by UAS**Date: **June 7, 2021**Publication No.:   **FHWA-HRT-21-043**Category:  **infrastructure, bridges, research**Type:   **Techbrief**PDF:    ** **Content Link: **Developing Analysis, Modeling, and Simulation Tools for Connected and Automated Vehicle Applications: A Case Study for I-66 in Virginia**Date: ** June 2, 2021**Publication No.:   **FHWA-HRT-21-050**Category:   **research, operations**Type:   **Report**PDF:    **

**May**

**Content Link:  ** Rutting Strain Index (RSI) Parameter for Asphalt Performance Engineered Mixture Design**Date: **May 26, 2021**Publication No.:   **FHWA-HRT-21-044**Category:  **infrastructure, pavements, materials**Type:   **Techbrief**PDF:    ** **Content Link:  ** Developing Crash Modification Factors for Adaptive Signal Control Technologies**Date: **May 26, 2021**Publication No.:   **FHWA-HRT-20-073**Category:   **research, safety**Type:   **Techbrief**PDF:    ** **Content Link: **Exploring the Importance of Traffic Data Input Levels for Mechanistic-Empirical Pavement Design**Date: **May 25, 2021**Publication No.:   **FHWA-HRT-21-046**Category:  **infrastructure, pavements, LTPP**Type:   **Techbrief**PDF:    ** **Content Link:  ** Traffic Management Center (TMC) Pooled-Fund Study (PFS) Fact Sheet**Date: **May 19, 2021**Publication No.:   **FHWA-HRT-21-061**Category:   **research, operations**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Present Serviceability Rating Computation from Reported Distresses**Date: **May 12, 2021**Publication No.:   **FHWA-HRT-21-041**Category:  **infrastructure, pavements, materials**Type:   **Report**PDF:    **

**April**

**Content Link:  ** Long-Term Pavement Performance Information Management System User Guide**Date: **April 30, 2021**Publication No.:   **FHWA-HRT-21-038**Category:  **infrastructure, pavements, research, LTPP**Type:   **Report**PDF:    ** **Content Link:  ** Hydraulics of Dale Boulevard Culverts, Performance Curve for a Prototype of Two Large Culverts in Series Dale Boulevard, Dale City, Virginia**Date: **April 29, 2021**Publication No.:   **FHWA-RD-01-095**Category:   **research, infrastructure**Type:   **Report**PDF:    ** **Content Link:  ** Public Roads Magazine, Spring 2021**Date: **April 6, 2021**Publication No.:  **FHWA-HRT-21-003**Category:   **Public Roads**Type:   **Periodical**PDF:    **

**March**

**Content Link:  ** Monthly NDE Peer Exchange Webinar Series, March 2021**Date: **March 30, 2021**Publication No.:   **FHWA-HRT-21-049**Category: **research, infrastructure, nondestructive evaluation, testing**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Impacts of Automated Vehicles on Highway Infrastructure**Date: **March 10, 2021**Publication No.:   **FHWA-HRT-21-015**Category:   **research, infrastructure, pavements and materials**Type:   **Report**PDF:    ** **Content Link:  ** Developing Crash Modification Factors for Adaptive Signal Control Technologies**Date: **March 5, 2021**Publication No.:   **FHWA-HRT-20-072**Category:   **research, safety**Type:   **Report**PDF:    ** **Content Link:  ** Remaining Service Interval: A White Paper**Date: **March 4, 2021**Publication No.:   **FHWA-HRT-21-006**Category:  **infrastructure, pavements, research**Type:   **Technical Note**PDF:    ** **Content Link: **Developing Analysis, Modeling, and Simulation Tools for Connected Automated Vehicle Applications: A Case Study on SR 99 in California**Date: **March 1, 2021**Publication No.:   **FHWA-HRT-21-039**Category:   **research, operations, intelligent transportation systems, ITS**Type:   **Report**PDF:    **

**February**

**Content Link:  ** Nondestructive Evaluation of Concrete Bridge Decks with Overlays**Date: **February 26, 2021**Publication No.:   **FHWA-HRT-21-023**Category:  **research, infrastructure, nondestructive evaluation, testing**Type:   **Report**PDF:    ** **Content Link:  ** Vehicle-to-Everything Hub: Final Report**Date: **February 25, 2021**Publication No.: **FHWA-HRT-21-035**Category:   **research, technology**Type:   **Report**PDF:    ** **Content Link: **State Planning and Research Distribution Report Revision**Date: **February 24, 2021**Publication No.:  ****Category:   **Research**Type:   **Report**PDF:    ** **Content Link:  ** Transportation Pooled Fund Program**Date: **February 23, 2021**Publication No.:   **FHWA-HRT-21-031**Category:   **research, operations, intelligent transportation systems, ITS**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** In-Situ Scour Testing Device, State Demonstrations of Field Soil Tests, Columbus, OH**Date: **February 22, 2021**Publication No.:   **FHWA-HRT-21-025**Category:  **infrastructure, materials, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** In-Situ Scour Testing Device, State Demonstrations of Field Soil Tests, Bay City, MI**Date: **February 19, 2021**Publication No.:   **FHWA-HRT-21-029**Category:  **infrastructure, materials, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Applying Engineered Logjams and Dolosse for Streambank Stabilization**Date: **February 18, 2021**Publication No.:   **FHWA-HRT-21-028**Category:  **research, infrastructure, nondestructive evaluation, testing**Type:   **Report**PDF:    ** **Content Link:  ** Novel Highway Signs Study to Support Infrastructure-Based Motorcycle-Crash Countermeasures: Phase II**Date: **February 4, 2021**Publication No.:   **FHWA-HRT-21-010**Category:  **safety, infrastructure, research, pavements**Type:   **Report**PDF:    ** **Content Link:  ** Effective Indicators of Partially Automated Truck Platooning**Date: **February 4, 2021**Publication No.:   **FHWA-HRT-21-016**Category:   **research, safety**Type:   **Techbrief**PDF:    ** **Content Link:  ** Determination of Improved Pavement Smoothness When Using 3D Modeling and Automatic Machine Guidance**Date: **February 3, 2021**Publication No.:   **FHWA-HRT-21-021**Category:  **safety, infrastructure, research, pavements**Type:   **Techbrief**PDF:    ** **Content Link:  ** Three-Dimensional Computational Analysis of Construction Design Alternatives for A Flow Accelerator**Date: **February 2, 2021**Publication No.:   **FHWA-HRT-21-034**Category:  **infrastructure, structures, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** New Models Account for Pavement Roughness in Analysis of Water Film Thickness for Assessing Hydroplaning Risk**Date: **February 2, 2021**Publication No.:   **FHWA-HRT-21-033**Category:  **infrastructure, structures, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** Improving Pavement Drainage in Extreme Weather Events and on Wider Roadways Using Computational Fluid Dynamics (CFD)**Date: **February 1, 2021**Publication No.:   **FHWA-HRT-21-032**Category:  **infrastructure, materials, bridges, research**Type:   **Fact Sheet**PDF:    ** **Content Link:  ** FAST NDE Laboratory: FHWA Advanced Sensing Technology Nondestructive Evaluation**Date: **February 1, 2021**Publication No.:   **FHWA-HRT-20-054**Category: **research, infrastructure, nondestructive evaluation, testing**Type:   **Brochure**PDF:    **

**January**

**Content Link:  ** Improved Infrastructure Assessment through the Integration of Nondestructive Evaluation and Structural Health Monitoring Paradigms**Date: **January 29, 2021**Publication No.:   **FHWA-HRT-21-011**Category:   **Research, Infrastructure, Nondestructive Evaluation, Testing**Type:   **Report**PDF:    ** **Content Link:  **The Effects of Vehicle Automation on Driver Engagement: The Case of Adaptive Cruise Control and Mind Wandering**Date: **January 28, 2021**Publication No.:   **FHWA-HRT-21-017**Category:   **research, safety**Type:   **Techbrief**PDF:    ** **Content Link:  ** LTBP Newsletter - FHWA-HRT-21-027 - Fall 2020**Date: ** January 27, 2021**Publication No.:  **FHWA-HRT-21-027**Category:   **research, infrastructure, structures, bridges, LTBP, Long-Term Bridge Performance**Type:   **Newsletter**PDF:    ** **Content Link:  ** Historical Changes to Steel Bridge Design, Composition, and Properties**Date: **January 26, 2021**Publication No.:   **FHWA-HRT-21-020**Category:   **Infrastructure, Structures, Bridges, Research**Type:   **Report**PDF:    ** **Content Link:  ** Gateway to Bridge Performance Data and Information**Date: **January 25, 2021**Publication No.:   **FHWA-HRT-21-019**Category:   **Infrastructure, Pavements, Research, LTPP**Type:   **Brochure**PDF:    ** **Content Link:  ** Gateway to the Federal Highway Administration (FHWA) Infrastructure Research and Materials Testing Data**Date: ** January 22, 2021**Publication No.:   **FHWA-HRT-21-018**Category:   **Infrastructure, Pavements, Research, LTPP**Type:   **Brochure**PDF:    ** **Content Link:  ** The Development of Crash Modification Factors: Highway Safety Statistical Paper Synthesis**Date: ** January 15, 2021**Publication No.:   **FHWA-HRT-20-069**Category:   **research, safety**Type:   **Report**PDF:    ** **Content Link:  ** Contributing Factors for Focus Crash and Facility Types**Date:  ** January 13, 2021**Publication No.:   **FHWA-HRT-20-052**Category:   **research, safety**Type:   **Report**PDF:    ** **Content Link:  ** Public Roads Magazine - Winter 2021**Date: **January 12, 2021**Publication No.:  **FHWA-HRT-21-002**Category:   **Public Roads**Type:   **Periodical**PDF:    ** **Content Link:  ** Contributing Factors for Focus Crash and Facility Types: Quick Reference Guide**Date: ** January 12, 2021**Publication No.: **FHWA-HRT-20-053**Category:   **research, safety**Type:   **Report**PDF:    ** **Content Link: **Developing Crash-Modification Factors for High-Friction Surface Treatments: Friction Change Report**Date: ** January 11, 2021**Publication No.:   **FHWA-HRT-20-062**Category:   **Safety, Infrastructure, Research, Pavements**Type:   **Report**PDF:    ** **Content Link:  ** Impact of Intersection Angle on Highway Safety**Date: **January 8, 2021**Publication No.:   **FHWA-HRT-20-067**Category:   **research, safety**Type:   **Report**PDF:    ** **Content Link: **Novel Highway Signs to Support Infrastructure-Based Motorcycle-Crash Countermeasures: Phase II**Date: **January 6, 2021**Publication No.:   **FHWA-HRT-21-009**Category:   **Safety, Research**Type:   **Techbrief**PDF:    ** **Content Link:  ** Detailed Concept of Operations: Transportation Systems Management and Operations/Cooperative Driving Automation Use Cases and Scenarios**Date: **January 6, 2021**Publication No.:   **FHWA-HRT-20-064**Category:   **Transportation Operations Research and Development**Type:   **Report**PDF:    ** **Content Link:  ** High-Level Concept of Operations: Examination of the Relationships Between Transportation Systems Management and Operations Strategies and Cooperative Driving Automation**Date: **January 5, 2021**Publication No.:   **FHWA-HRT-20-063**Category:   **Research, Infrastructure, Safety, Operations, Policy, Environment**Type:   **Report**PDF:    **