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May 22, 2026

How Comparative Negligence Works in Missouri Car Accident Cases

Car accidents often involve more than one party sharing responsibility for the crash. In Missouri, the legal concept of comparative negligence plays a major role in determining how compensation is awarded after a motor vehicle accident. If you were injured in a collision, understanding how comparative negligence works can help you better understand your legal rights and potential recovery options.


At Allen Injury Law, LLC, we provide legal assistance to the Clayton public and help injured individuals pursue compensation after serious car accidents.


What Is Comparative Negligence?


Comparative negligence is a legal rule used to determine fault when multiple parties contribute to an accident. Missouri follows a “pure comparative negligence” system. Under this rule, an injured person may still recover damages even if they were partially responsible for the crash.


However, the amount of compensation a person receives is reduced by their percentage of fault.


For example, if a driver is awarded $100,000 in damages but is found 20% responsible for the accident, they may still recover $80,000.


How Fault Is Determined in Missouri Car Accident Cases


Fault in a Missouri car accident case is usually determined by reviewing evidence related to the collision. Insurance companies, attorneys, and courts may examine:


  • Police accident reports
  • Witness statements
  • Photographs or video footage
  • Vehicle damage
  • Traffic camera recordings
  • Medical records
  • Accident reconstruction analysis


Each party involved in the accident may argue that another person was responsible. Because fault percentages directly affect compensation, disputes over negligence are common in personal injury claims.


Examples of Comparative Negligence in Car Accident Cases

Comparative negligence can apply in many types of Missouri car accidents. Common examples include:


Rear-End Accidents

A rear driver may be blamed for following too closely, but the front driver could also share fault if they suddenly stopped without reason or had malfunctioning brake lights.


Distracted Driving Accidents

If one driver was texting while another was speeding, both parties may share responsibility for the collision.


Intersection Collisions

An accident at an intersection may involve shared fault if one driver failed to yield while another ignored a traffic signal.


Weather-Related Accidents

Drivers are expected to adjust their driving for poor weather conditions. Multiple parties may share blame if both drivers acted carelessly during rain, fog, or icy conditions.


Why Comparative Negligence Matters


Missouri’s comparative negligence law directly affects the value of a personal injury claim. Insurance companies often attempt to increase an injured person’s percentage of fault to reduce the amount they must pay.


For example, an insurer may argue that:

  • You were speeding
  • You were distracted
  • You failed to wear a seatbelt
  • You ignored traffic laws
  • You failed to take reasonable action to avoid the collision


Even a small increase in fault percentage can significantly reduce compensation for:

  • Medical expenses
  • Lost wages
  • Property damage
  • Pain and suffering
  • Future medical treatment


Can You Recover Compensation if You Were Mostly at Fault?


Yes. Missouri’s pure comparative negligence system allows injured individuals to seek compensation even if they were more than 50% responsible for the accident.


For example, if a person is found 80% at fault and suffers $50,000 in damages, they may still recover 20% of those damages, or $10,000.


This differs from some states that prevent recovery once a person reaches a certain fault threshold.


Steps to Protect Your Claim After a Missouri Car Accident


The actions you take after an accident can affect how fault is assigned. Important steps may include:


Seek Medical Attention

Prompt medical treatment helps protect both your health and your injury claim.


Report the Accident

Contact law enforcement so an official accident report can be created.


Gather Evidence

Take photographs, collect witness information, and preserve documentation related to the crash.


Avoid Admitting Fault

Statements made at the scene or to insurance companies may later be used against you.


Speak With a Car Accident Attorney

Legal guidance may help protect your interests during insurance negotiations and potential litigation.


How an Attorney May Help With Comparative Negligence Disputes


Comparative negligence cases can become complicated when insurance companies attempt to shift blame. An attorney may help by:


  • Investigating the accident
  • Gathering supporting evidence
  • Interviewing witnesses
  • Working with accident reconstruction professionals
  • Negotiating with insurance companies
  • Pursuing compensation through litigation if necessary


Having legal representation may improve your ability to challenge unfair fault allegations and seek fair compensation.


Contact Allen Injury Law, LLC


If you were injured in a car accident and have questions about comparative negligence in Missouri, Allen Injury Law, LLC can provide legal assistance to the Clayton public. Understanding your rights after a collision is important when dealing with insurance companies and pursuing compensation for your injuries.

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