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Filters: National Cooperative Highway Research Program NCHRP × 2021 2021 ×
Viewing 1 - 20 of 23 results by relevance

Practice and Performance of Cold In-Place Recycling and Cold Central Plant Recycling  (2021)

Temporary Pavement Markings Placement and Removal Practices in Work Zones  (2021)

Long-Term Aging of Asphalt Mixtures for Performance Testing and Prediction: Phase III Results  (2021)

Entrained Air-Void Systems for Durable Highway Concrete  (2021)

Principles and Guidance for Presenting Active Traffic Management Information to Drivers  (2021)

Validation of a Performance-Based Mix Design Method for Porous Friction Courses  (2021)

Safety Performance of Part-Time Shoulder Use on Freeways, Volume 1: Informational Guide and Safety Evaluation Guidelines  (2021)

Improving the Efficiency and Consistency of Section 106 Compliance for State DOTs: Strategies for Project-Level Programmatic Agreements  (2021)

Protocols for Network-Level Macrotexture Measurement  (2021)

Selecting Ramp Design Speeds, Volume 1: Guide  (2021)

Fix It, Sign It or Close It: State of Good Repair in an Era of Budget Constraints  (2021)

LED Roadway Lighting: Impact on Driver Sleep Health and Alertness  (2021)

Application of Crash Modification Factors for Access Management, Volume 2: Research Overview  (2021)

Recommended Guidelines for the Selection of Test Levels 2 Through 5 Bridge Railings  (2021)

Evaluation and Synthesis of Connected Vehicle Communication Technologies  (2021)

Application of Crash Modification Factors for Access Management, Volume 1: Practitioner's Guide  (2021)

A Pandemic Playbook for Transportation Agencies  (2021)

Repair and Maintenance of Post-Tensioned Concrete Bridges  (2021)

Practices for Selecting Pedestrian and Bicycle Projects  (2021)

Posted Speed Limit Setting Procedure and Tool: User Guide  (2021)