Louisiana Revised Statutes Tit. 48, § 21. Functions

A. The functions of the department shall be to study, administer, construct, improve, maintain, repair, and regulate the use of public transportation systems and to perform such other functions with regard to public highways, roads, and other transportation related facilities as may be conferred on the department by applicable law.

B. The department may construct and maintain within the right-of-way of any state highway or section thereof bicycle facilities appropriate to the context of the roadway. If such facilities are not included in new construction projects, the department shall document the reasons for the exclusion.

C. The department may construct, maintain, and improve roads, whether hard-surfaced or otherwise, for state offices and other surrounding facilities of these agencies. Such work shall be at the direction of, and in cooperation with, the Department of Transportation and Development and shall be funded from monies specifically designated for that purpose. However, when work is requested by any state agency to be performed by the Department of Transportation and Development the following conditions shall apply: