Tenn. Code Ann. § 5-1-117: Sober ride programs

In any county, including those having a metropolitan form of government, any department, agency, or office, working in conjunction with the sheriff's office of such county, may sponsor or participate in a "sober ride program", which may include, but is not limited to, the provision of rides to persons who request transportation in order to avoid driving while under the influence of any intoxicant or drug.