Missouri Revised Statutes Title XII. Public Health and Welfare § 194.503. Right-of-way--use of lead vehicles--emergency vehicles with right-of-way, when

1. Except as otherwise provided for in this subsection, pedestrians and operators of all other vehicles shall yield the right-of-way to any vehicle which is a part of an organized funeral procession.

2. Notwithstanding any traffic control device or right-of-way provision prescribed by state or local law, when the funeral lead vehicle in an organized funeral procession lawfully enters an intersection, all vehicles in the procession shall follow the lead vehicle through the intersection. The operator of each vehicle in the procession shall exercise the highest degree of care toward any other vehicle or pedestrian on the roadway.

3. An organized funeral procession shall have the right-of-way at all intersections regardless of any traffic control device at such intersections, except that operators of vehicles in an organized funeral procession shall yield the right-of-way to any approaching emergency vehicle pursuant to the provisions of section 304.022 or when directed to do so by a law enforcement officer.