Tennessee Code Title 13. Public Planning and Housing § 13-8-102

(1) “Access road” means a vehicular access roadway greater than or equal to twenty-four feet (24′) in width;

(2) “Authority” means a governing body identified in § 13-8-103;

(3) “Driveway” means a vehicular access roadway less than twenty-four feet (24′) in width and serving no more than two (2) single-family dwellings;

(4) “Gated facility or community” means a multifamily residential property or commercial or industrial development or compound that has a security gate or barrier to block the entrance to the facility or community from a public street to a private street, parking lot or driveway of the facility or community;

(5) “Radio operated controller” means a device used to operate a security gate or barrier that is equipped with a radio receiver capable of receiving signals from a police department, sheriff's department, if the gated facility or community is in the county, fire department, utility and emergency medical services' radio transceivers that allow emergency responders and other necessary on-duty employees to open the security gate or barrier or blocking device by use of the equipment; and

(6) “Security gate or barrier” means a gate or barrier, electrically operated, that controls the passage of authorized vehicles and persons from a public street to access roads, driveways or parking lots of the gated facility or community.