Tennessee Code Title 55. Motor and Other Vehicles § 55-30-102

(1) “Automated driving system” or “ADS” means technology installed on a motor vehicle that has the capability to drive the vehicle on which the technology is installed in high or full automation mode, without any supervision by a human operator, with specific driving mode performance by the automated driving system of all aspects of the dynamic driving task that can be managed by a human driver, including the ability to automatically bring the motor vehicle into a minimal risk condition in the event of a critical vehicle or system failure or other emergency event;

(2) “Automated-driving-system-operated vehicle” or “ADS-operated vehicle” means a vehicle equipped with an automated driving system;

(3) “Department” means the department of revenue;

(4) “Dynamic driving task” means all of the real-time operational and tactical functions required to operate a vehicle in on-road traffic. “Dynamic driving task” does not include strategic functions, such as route selection and scheduling; and

(5) “Minimal risk condition” means a low-risk operating mode in which an ADS-operated vehicle when the ADS is engaged achieves a reasonably safe state upon experiencing a failure of the vehicle's ADS that renders the vehicle unable to perform the entire dynamic driving task.