307.122. No motor vehicle or trailer shall be operated on a publichighway of this state while equipped with any device which emits anelectronic message directed to the front, side or rear of the exterior ofthe vehicle or trailer. For the purposes of this section, the term"message" shall include words, phrases, sentences, numbers and othersymbols or combinations thereof. This section shall not prohibit the lawfuluse of a lamp which illuminates the rear registration marker, as authorizedpursuant to section 307.075, or the use of a route indicator on a bus orother public transportation vehicle, or messages that display proper namesof firms or corporations. Violations of this section shall be a class Cmisdemeanor.
(L. 1992 S.B. 607 ยง l, A.L. 1996 H.B. 1047)