Reduce Impaired Driving for Everyone Act of 2019 or the RIDE Act of 2019 This bill requires the National Highway Traffic Safety Administration (NHTSA) to work with vehicle manufacturers, suppliers, and other entities to advance the technology developed by the Driver Alcohol Detection System for Safety Research Program and other advanced drunk driving prevention technology with the goal of integrating such technology into new vehicles. The NHTSA must demonstrate advanced drunk driving prevention technology in not fewer than 2,500 vehicles in federal fleets; and implement a program to encourage the use of advanced drunk driving prevention technology in state and local government fleets, and private sector fleets.