(1) The provisions of this chapter are applicable throughout this state and in all of its political subdivisions and municipalities.
(2) A local highway authority may not enact or enforce any rule or ordinance in conflict with the provisions of this chapter.
(3) A local highway authority may adopt: (a) ordinances consistent with this chapter; and (b) additional traffic ordinances not in conflict with this chapter.
(a) ordinances consistent with this chapter; and
(b) additional traffic ordinances not in conflict with this chapter.