TRB’s National Cooperative Highway Research Program (NCHRP) Research Result Digest 374: A Proposed Technology Evaluation Program for Warm-Mix Asphalt summarizes the key findings of a project that was charged with defining a warm-mix asphalt technology evaluation program that would be compatible with a centralized system of testing, evaluation, and data reporting of engineering materials for the state departments of transportation, such as the American Association of State Highway and Transportation Officials' National Transportation Product Evaluation Program.