Columbia Driving a commercial motor vehicle with excessive blood alcohol content ordinance (§ 14-614)
Chapter 14: Motor Vehicles and Traffic · Article XI. Intoxication Related Traffic Offenses
In short: It's illegal to drive a commercial motor vehicle with a blood alcohol content of four-hundredths of one percent (0.04%) or more by weight.
Our plain-English summary, not the official text or legal advice. The ordinance below is what counts.
A person commits the offense of "driving a commercial motor vehicle with excessive blood alcohol content" if such person operates a commercial motor vehicle with four-hundredths of one (1) percent or more by weight of alcohol in such person's blood.
Official source: City of Columbia official Code of Ordinances (online): look up Sec. 14-614
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.