Miss. Code Ann. § 65-3-205

(1) The Mississippi Department of Transportation shall construct to department design standards, may perform such reconstruction as may be required to existing highways and may acquire by gift, purchase or eminent domain proceedings such property as may be necessary to provide four (4) lanes for traffic on and along the following locations:

Northern District -- Pontotoc, Lee and Monroe Counties:

Mississippi Highway 6 (Appalachian Corridor V) from Mississippi Highway 9 easterly to U.S. Highway 45 south of Tupelo and continuing easterly to existing Mississippi Highway 6 near Plantersville, a distance of approximately 10.5 miles, and Mississippi Highway 6 from the City of Amory to its intersection with U.S. Highway 45 south of Nettleton, including relocation of Mississippi Highway 6 south of Nettleton, a distance of approximately 10 miles.

Northern District -- Itawamba County:

Mississippi Highway 76 (Appalachian Corridor V) from a point approximately 5.0 miles northeast of U.S. Highway 78 near the community of Fairview and extending northeasterly approximately 11 miles to the Alabama state line.

(2) The mileage of highways specifically designated in subsection (1) of this section shall be under the jurisdiction of the Mississippi Transportation Commission for construction and maintenance and, together with the highways designated in Sections 65-3-3 and 65-3-5 , and all other laws adding links to the state designated highway system, are declared to be the state highway system of Mississippi.