Aggressive driving is characterized by actions that endanger other motorists. These include tailgating, improper lane changing, speeding, illegal passing, running red lights and stop signs, failure to yield, and driving on the shoulder. It’s clear these actions are dangerous under any circumstances and can injure or kill other motorists in a crash. However, aggressive driving in some circumstances is so dangerous to the extreme that a car accident is highly probable. Here are three of these: Bad Weather Aggressive driving in bad weather such as in heavy fog can readily.