Miss. Code Ann. § 65-5-23: Miss. Code Ann. § 65-5-23

It is the intent of the legislature that this chapter provide additional and supplemental means of designating, establishing, altering, improving, and maintaining controlled-access facilities, and it is not intended to repeal nor in any way change any other provision of statute authorizing the establishment, control, and maintenance of limited access facilities, but is supplemental thereto.