The National Cooperative Highway Research Program (NCHRP) conducts research in problem areas that affect highway planning, design, construction, operation, and maintenance nationwide.

Information on all projects initiated under the NCHRP from its inception in 1962 through 1988 is included in NCHRP Web Document 7: Special Edition of Summary of Progress through 1988. Information about projects initiated subsequent to 1988 is available below.

the National Cooperative Highway Research Program (NCHRP) The States’ Highway Research Program Systematic, well-designed, and implementable research is the most effective way to solve many problems facing state departments of transportation (DOTs) administrators and …

The National Cooperative Highway Research Program (NCHRP) conducts research in problem areas that affect highway planning, design, construction, operation, and maintenance in the United States.

NCHRP publications offer expertise and insights from a range of perspectives designed to spur thoughtful discussion. These publications include evidence-based consensus study reports of committees of experts; presentations from NCHRP members and other experts; and NCHRP Perspectives offered by individual experts.

TRB’s National Cooperative Highway Research Program (NCHRP) has released its annual report, which provides a concise list of research published in 2024 and a list of all active projects, projects completed in 2024, and projects that were approved in 2024 but are not yet under contract.

NCHRP is supported on a continuing basis by funds from participating member states of AASHTO and receives the full cooperation and support of the Federal Highway Administration (FHWA), United States Department of Transportation.

The National Cooperative Highway Research Program (NCHRP) manages practical, applied research that addresses problems identified by practitioners and managers in state departments of transportation (DOTs). NCHRP publishes the research results and …

The National Cooperative Highway Research Program (NCHRP) Report 500 series is a collection of guides in which relevant information is assembled into single volumes, each pertaining to emphasis areas, specific types of crashes, or contributing factors.

What is NCHRP? The National Cooperative Highway Research Program (NCHRP) is an applied research program administered by the Transportation Research Board, which is a program unit of the National Academies of Sciences, Engineering, and Medicine.