La. Roads, Bridges and Ferries § 48:461.20
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
Signs lawfully in existence on October 22, 1965, determined by the state, subject to the concurrence of the United States Secretary of Transportation, to be landmark signs, including signs on farm structures or natural surfaces, of historic or artistic significance, the preservation of which would be consistent with the purposes of this Section, are not required to be removed.
La. Roads, Bridges and Ferries § 48:461.20