Marijuana for medical and recreational use has been fully legal in Massachusetts for several years. The legalization of cannabis, however, has led to some confusion regarding Massachusetts’ operating under the influence (OUI) laws. You could technically drive while smoking marijuana and not be committing a crime, for example, but you can get an OUI...

Driving under the influence of alcohol or drugs is against the law in all 50 states. Due to the extreme dangers associated with driving while impaired, Massachusetts penalizes this crime – referred to as OUI or operating under the influence in Massachusetts – severely. This is especially true when a drunk or intoxicated driver...