72-6-115. Traffic Management Systems.
(1) The Department of Transportation shall implement and administer traffic management systems to: facilitate the efficient flow of motor vehicle traffic on state highways to improve regional mobility; and reduce motor vehicle emissions where those improvements are cost effective. A traffic management system shall be designed to allow safe, efficient, and effective: integration of existing traffic management systems; additions of highways and intersections under county and city administrative jurisdiction; incorporation of other traffic management systems; and adaptation to future traffic needs.
(2) The cost of implementing and administering a traffic management system shall be shared pro rata by the department and the counties and municipalities using it. The department shall enter into an agreement or contract under, with a county or municipality to share costs incurred under this section. Title 11, Chapter 13, Interlocal Cooperation Act
(3) Additional highways and intersections under the administrative jurisdiction of a county or municipality may be added to a traffic management system upon application of the county or municipality after: approval by the department; determination of the appropriate cost share of the addition under Subsection; and (2)(a) an agreement under Subsection. (2)(b)