Louisiana Revised Statutes Tit. 33, § 31. Cellular telephone usage in motor vehicles; state preemption

Regulation of operator or passenger use of cellular telephones and other electronic communications devices in a motor vehicle is exclusively reserved to and preempted by the state. No local governmental subdivision shall enact or enforce any charter provision, ordinance, resolution, or other provision regulating the use of cellular phones or other electronic communications devices in a motor vehicle.