The municipality shall not allow any encroachments, signs or billboards to be erected or to remain on state-owned rights-of-way on any designated highway within its corporate limits without the consent of the commission. The municipality, at its own expense, shall provide street illumination and shall clean all streets, including storm sewer inlets and catch basins. The commission may enter into an agreement with the municipality or with a private entity to sweep and clean the designated highways within or without the corporate limits. The commission may, at state expense, provide illumination and may clean all interstate highways within the corporate limits of any municipality. The right of the municipality to grant franchises over, beneath and upon such streets is specifically retained, but the municipality shall require every grantee of a franchise to restore, repair and replace to its original condition any portion of any such street damaged or injured by it; however, permission to open the surface of any municipal street maintained by the department must be obtained from both the commission and the municipality concerned before any such opening is made. Each municipality shall retain full police power over its streets, particularly as to regulating and enforcing traffic and parking restrictions on such streets, but any traffic control and parking regulations repugnant to state law shall be null and void. The commission shall have the department erect, control and maintain all highway route markers and directional signs on such streets at state expense. The commission, at state expense, shall have the department install, operate, maintain, control, and have full jurisdiction over, all traffic control devices, including, but not limited to, signals, signs, striping and lane markings on state highway streets in municipalities having a population of twenty thousand (20,000) or less according to the current United States census; but municipalities over twenty thousand (20,000) population according to such census shall install, operate, maintain and control such devices at their own expense, subject to approval of the executive director regarding operations, method of installation and type only. Municipalities having a population of five thousand (5,000) or more but less than twenty thousand (20,000) according to the most recent federal census shall only be responsible for electrical operating costs; and all other costs for the installation, operation and maintenance of traffic control devices, including the changing of signal bulbs in traffic signal lights, shall be the responsibility of the Transportation Department. The commission may purchase at state expense and install traffic control devices in municipalities over twenty thousand (20,000) population and donate them to the municipalities for operation and maintenance whenever it appears to the commission that, in the interest of safety or convenience of the motoring public, any of the devices should be upgraded, replaced or removed. Any revenue from parking meters on any such streets shall be controlled by and belong to the municipality.
Miss. Code § 65-1-75