La. Stat. tit. 45 § 1165
The commission shall require and compel railroad companies and corporations, operating and doing business in Louisiana, to establish stations for passengers and freight, wherever reasonably necessary and convenient; to construct and maintain suitable and safe cattle guards, wherever reasonably required. The commission shall require any person, operating a railroad in Louisiana, upon the application of any shipper tendering traffic for transportation, or any lateral, or branch line of railroad, or any intersecting railroad, or other interested party, to construct, maintain and operate, upon reasonable terms, a switch connection with any such lateral, branch line of railroad, intersecting railroad, or any private switch track or spur track which may be constructed to connect with its railroad, where such connection is reasonably practicable and can be put in with safety and will furnish sufficient business to justify the construction and maintenance of same. The commission shall also require any person operating a railroad in Louisiana, when such connections are made, to furnish cars for the movement of the traffic to the best of their ability and without discrimination, in accordance with the rules and regulations adopted and prescribed by the commission.
La. R.S. § 45:1165