Facts + Statistics: Aggressive driving


Aggressive driving is a major factor in U.S. traffic crashes, playing a role not just in road rage but in a large number of fatal highway collisions each year. The National Highway Traffic Safety Administration (NHTSA) defines aggressive driving as occurring when “an individual commits a combination of moving traffic offenses so as to endanger other persons or property.” While aggressive driving is difficult to quantify, a 2009 study by the American Automobile Association reported that based on data tracked by NHTSA’s Fatal Accident Reporting System, aggressive driving played a role in 56 percent of fatal crashes from 2003 through 2007, with excessive speed being the No. 1 factor. Speeding was also the leading driving behavior associated with fatal crashes in 2019 (17.2 percent), followed by driving under the influence (10.1 percent), according to NHTSA:

  • Following improperly
  • Improper or erratic lane changing
  • Illegal driving on road shoulder, in ditch, or on sidewalk or median
  • Passing where prohibited
  • Operating the vehicle in an erratic, reckless, careless, or negligent manner or suddenly changing speeds
  • Failure to yield right of way
  • Failure to obey traffic signs, traffic control devices, or traffic officers, failure to observe safety zone traffic laws
  • Failure to observe warnings or instructions on vehicle displaying them
  • Failure to signal
  • Driving too fast for conditions or in excess of posted speed limit
  • Racing
  • Making an improper turn


For more than two decades, speeding has been involved in approximately one-third of all motor vehicle fatalities, according to NHTSA. NHTSA provide guides, planners and information to law enforcement professionals and prosecutors to assist in the reduction of aggressive driving on its website). Speeding is at the top of the list of related factors for drivers involved in fatal crashes. In 2018, 8,596 drivers who were involved in fatal crashes (17 percent) were speeding, according to NHTSA. In 2018 there were 9,378 fatalities in crashes where at least one driver was speeding. In addition, the Insurance Institute for Highway Safety (IIHS) has found that rising state speed limits over the past 25 years have cost nearly 37,000 lives, including more than 1,900 in 2017 alone. By 2021, 42 states had maximum speed limits of 70 mph or higher: on some portion of their roads, 22 states had maximum speed limits of 70 mph, and 11 states had maximum speed limits of 75 mph. Eight states had 80 mph limits, and drivers in Texas can legally drive 85 mph on one road, according to the IIHS.

Traffic congestion is one of the most frequently mentioned contributing factors to aggressive driving, such as speeding. NHTSA says that drivers may respond to traffic congestion by speeding, changing lanes often, or becoming angry at other drivers who they believe impede their progress. Some people drive aggressively because they are “running late” for work, school, or other appointment. Additionally, the anonymity of being in a vehicle can lead to drivers feeling less constrained in their behavior.

The increase in cases of rude and extreme driving behavior in recent years could be chalked up to the fact that there are more drivers driving more miles on the same roads than ever before, says NHTSA.

Driving Behaviors Reported For Drivers And Motorcycle Operators Involved In Fatal Crashes, 2020


Behavior   Number (1) Percent
Driving too fast for conditions or in excess of posted limit or racing 10,295 19.1%
Under the influence of alcohol, drugs, or medication 6,246 11.6
Operating vehicle in a careless manner 3,958 7.3
Failure to yield right of way 3,663 6.8
Failure to keep in proper lane 3,337 6.2
Distracted (phone, talking, eating, object, etc.) 2,968 5.5
Operating vehicle in erratic, reckless or negligent manner 2,356 4.4
Failure to obey traffic signs, signals, or officer 2,250 4.2
Overcorrecting/oversteering 1,744 3.2
Vision obscured (rain, snow, glare, lights, building, trees, etc.) 1,533 2.8
Drowsy, asleep, fatigued, ill, or blacked out  1,165 2.2
Swerving or avoiding due to wind, slippery surface, etc. 1,138 2.1
Driving wrong way on one-way traffic or wrong side of road 1,060 2
Making improper turn 368 0.7
Other factors 5,921 11
None reported 8,659 16.1
Unknown 16,885 31.3
Total drivers (2) 53,890 100.0%

(1) Number of drivers and motorcycle operators.
(2) The sum of the numbers and percentages is greater than total drivers as more than one factor may be present for the same driver.

Source: U.S. Department of Transportation, National Highway Traffic Safety Administration.

View Archived Tables

Additional Resources

AAA Foundation for Safe Driving, How to Avoid Aggressive Driving.

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