Columbia Material falling from vehicles and trailers ordinance (§ 14-141)
Chapter 14: Motor Vehicles and Traffic · Article III. Motor Vehicles
In short: You can't drive a motor vehicle or trailer on any street or highway if rock or other material on it could reasonably be expected to fall off from wind, air pressure or the vehicle's movement.
Our plain-English summary, not the official text or legal advice. The ordinance below is what counts.
No person shall operate on any street or highway any motor vehicle or trailer that has rock or any other material on any part of the vehicle or trailer that may reasonably be expected to fall from the vehicle or trailer as a result of wind pressure or air pressure or by the movement of the vehicle or trailer.
Official source: City of Columbia official Code of Ordinances (online): look up Sec. 14-141
Text from Supplement 139 (September 3, 2026).
Last checked November 1, 2026. The city's official copy controls; this page is a reading copy, not legal advice.