National Cooperative Highway Research Program
NCHRP conducts research to improve the planning, design, construction, operation, and maintenance of the nation’s highways. The program is funded through annual contributions from state transportation departments. Research topics are recommended by American Association of State Highway and Transportation Officials (AASHTO) committees, member departments, and the Federal Highway Administration, with project selection and funding determined by the AASHTO Special Committee on Research and Innovation.
In progress
Recent Publications
Tools and Technology for Roadside Vegetation Asset Management: A Guide
2025
Implementing the Agency Capability Building Framework to Activate Organizational Change
2025
Human Factors Guidelines for Road Systems: Third Edition
2025
Development of the Human Factors Guidelines for Road Systems: Third Edition
2025
Stainless Steel Strands for Prestressed Concrete Bridge Elements
2025
Measuring Impacts and Performance of State DOT Resilience Efforts: A Guide
2025