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HomeDriver's ResourcesCommon Causes of Car Accidents in Ontario and Canada

According to the Canadian Motor Vehicle Traffic Collision Statistics report published by Transport Canada in 2019, the following are some of the most common causes of accidents in Canada:

  1. Driver error: This is the most common cause of accidents in Canada, and includes speeding, distracted driving, impaired driving, and other forms of reckless or negligent driving.
  2. Environmental factors: Poor road conditions, adverse weather conditions, and other environmental factors can contribute to accidents.
  3. Vehicle malfunction: Issues with a vehicle’s brakes, tires, steering, or other systems can also cause accidents.
  4. Pedestrian and cyclist actions: Accidents can also be caused by pedestrians and cyclists who fail to follow traffic rules or behave unpredictably on the road.
  5. Animal-related incidents: Collisions with animals such as deer or moose can also cause accidents in some areas of Canada, particularly in rural regions.
  6. Intersection-related incidents: Accidents that occur at intersections are also common in Canada, and can be caused by drivers who fail to stop at stop signs or red lights, or who make left turns without yielding to oncoming traffic.
  7. Inexperienced or older drivers: Drivers who are new to the road or who have limited experience may be more likely to cause accidents, as are older drivers who may have slower reaction times or impaired vision.
  8. Aggressive driving: Aggressive driving, such as tailgating, weaving between lanes, or cutting off other drivers, can also lead to accidents.
  9. Fatigue: Driving while fatigued or drowsy can impair a driver’s ability to react quickly and make sound decisions, and can also cause accidents.
  10. Construction zones: Accidents in construction zones can occur due to reduced speed limits, lane closures, and changes in road conditions, as well as drivers who fail to adjust their driving behavior to these changes.
  11. Driving under the influence of drugs: The use of drugs, including prescription medications, can impair a driver’s ability to safely operate a vehicle and can lead to accidents.
  12. Improper lane changes: Drivers who make sudden or improper lane changes, such as failing to signal or cutting off other drivers, can cause accidents.
  13. Overcorrecting: Overcorrecting occurs when a driver swerves or jerks the steering wheel too hard, which can cause the vehicle to spin out of control or roll over.
  14. Tailgating: Following another vehicle too closely, or tailgating, can cause accidents, particularly in situations where the leading vehicle makes a sudden stop or swerve.
  15. Poor visibility: Accidents can also be caused by poor visibility due to weather conditions, such as fog or heavy rain, or due to obstructions in the road, such as trees or buildings.
  16. Distracted walking: Accidents involving pedestrians can also be caused by distracted walking, such as looking at a mobile device while crossing the street.
  17. Reckless pedestrians: Pedestrians who fail to follow traffic rules or who behave unpredictably, such as jaywalking or crossing the street without looking, can also cause accidents.
  18. Poor road design: Accidents can also occur due to poor road design, such as inadequate signage, confusing intersections, or poorly maintained roads.
  19. Road rage: Road rage incidents, such as aggressive or hostile behavior between drivers, can also lead to accidents.
  20. Wildlife-related incidents: Collisions with wildlife, such as deer or elk, can also cause accidents on roads that pass through rural areas or wildlife habitats.

Who Has The Most Car Accidents, Men Or Women


In Canada, the data suggests that men are involved in more car accidents than women. According to Transport Canada’s Motor Vehicle Traffic Collision Statistics report for 2019, male drivers were involved in nearly 66% of all traffic collisions in the country, while female drivers were involved in just over 34%. However, it’s worth noting that the difference in accident rates between men and women may be influenced by a variety of factors, including driving behavior, driving experience, and the types of vehicles driven by men and women.


About the Author: Valerie D. Hahn

Valerie is an insurance editor, journalist, and business professional at RateLab. She has more than 15 years of experience in personal financial products. She strives to educate readers and ensure that they are properly protected.

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