Final answer:
Road rage is defined by the NHTSA as an assault with a motor vehicle or other dangerous weapon on the road, and it includes aggressive behaviors like offensive gestures, unsafe driving, and making threats.
Step-by-step explanation:
The subject of the question refers to road rage, which is defined by the National Highway Traffic Safety Administration (NHTSA) as an assault with a motor vehicle or other dangerous weapon by the operator or passenger of another motor vehicle, or an assault precipitated by an incident that occurred on a roadway. This aggressive behavior may include actions such as offensive gestures, verbal insults, deliberately driving in an unsafe or threatening manner, or making threats. Road rage is considered a criminal offense and can lead to serious legal consequences, including charges for assault or vehicular homicide. Understanding what constitutes road rage and the potential repercussions is crucial for drivers to adhere to safe driving practices and avoid escalating situations on the road.