This report describes the efforts undertaken to review the status of falling weight deflectometer (FWD) equipment, data collection, analysis, and interpretation, including dynamic backcalculation, as they relate to the models and procedures incorporated in the Mechanistic-Empirical Pavement Design Guide. The full report is available from the FHWA web site at https://www.fhwa.dot.gov/publications/research/infrastructure/pavements/15063/15063.pdf