On April 2, 2020, CVSA submitted comments on the “Ensuring American Leadership in Automated Vehicle Technologies: Automated Vehicles 4.0” (AV 4.0) document published by the U.S. Department of Transportation (DOT). The comments outline several areas of consideration important to the enforcement community, including how commercial motor vehicles equipped with automated driving systems (ADS) will interact with enforcement, regulations that need to be examined for applicability and the future development of vehicle-to-enforcement (V2E) technology.