To enter upon, acquire, and enjoy a right of way over and across any lands belonging to the state, the same not to exceed in width one hundred (100) feet, and the same not to be appropriated or used except when the actual construction of the road has reached such state lands.
Having right of way over state lands
Miss. Code Ann. § 77-9-171, under Railroads and Railroad Corporations.
Miss. Code Ann. § 77-9-171