Montana's Open Container Law - Effective October 1, 2005 Montana has the highest record of alcohol related fatalities in the nation. Montana's ban on open containers is an important step in reducing those fatalities and making our roadways safer for the traveling public. Montana's Open Container Law Montana Codes Annotated 61-8-460 Open Container Brochure Open Container Law FAQs Statistics and Reports Alcohol Crash Statistics for Montana Traffic Safety Problem Identification Report Links to Other Helpful Sites MADD Open Container Information National Highway Traffic Safety Administration (NHTSA) Fact Sheet