Law News · March 25, 2026 · 2 min read
How Do I Prove the Other Driver Was Negligent?
By Jack Hirsch — Personal Injury Attorney · Certified Specialist, Injury & Wrongful Death · State Bar of Arizona, admitted 1988
Legally reviewed by Chelsie Talcott, JD Published Mar 25, 2026 Last updated Mar 25, 2026 Editorial policy Disclaimer
Short answer.
Proving another driver’s negligence is essential for securing compensation after a car accident . In Arizona, establishing negligence involves demonstrating that the other driver owed you a duty of care, breached that duty, and caused your injuries as a result.
Proving another driver’s negligence is essential for securing compensation after a car accident. In Arizona, establishing negligence involves demonstrating that the other driver owed you a duty of care, breached that duty, and caused your injuries as a result.
**Key Steps to Prove Negligence:**
1. **Collect Evidence:**
– **Police Reports:** Official reports often contain crucial details about the accident and may indicate violations of traffic laws.
– **Witness Statements:** Testimonies from bystanders can provide an objective account of the incident.
– **Photographs and Videos:** Visual evidence of the accident scene, vehicle damages, and road conditions can support your claim.
2. **Demonstrate Breach of Duty:**
– Show that the other driver violated traffic laws, such as speeding, running a red light, or driving under the influence.
3. **Establish Causation:**
– Link the driver’s breach of duty directly to the accident and your resulting injuries.
4. **Document Damages:**
– Keep records of medical treatments, repair bills, and any other expenses incurred due to the accident.
**Arizona’s Comparative Negligence Law:**
Arizona follows a pure comparative negligence system, meaning you can recover damages even if you are partially at fault. However, your compensation will be reduced by your percentage of fault. For instance, if you’re found 20% responsible, your compensation will be reduced by 20%.
**Case Example:**
In a recent Arizona Supreme Court case, the court clarified liability issues concerning negligence. The case emphasized the importance of establishing clear evidence to prove negligence and the necessity of understanding how liability is determined in complex situations. [Source: Arizona Supreme Court News Release, July 21, 2025]
**Conclusion:**
Proving the other driver’s negligence requires a thorough collection of evidence and a clear understanding of Arizona’s laws. An experienced personal injury attorney can guide you through this process, ensuring your rights are protected. Contact Hirsch Talcott at 602-903-6000 for a free consultation.
Where to get help
If this situation applies to you, Hirsch Talcott offers a free consultation — speak with a Phoenix car accident lawyer to understand your options.
Keep reading — related topics
- What If a Pothole Caused My Motorcycle Accident — Can I Sue the City?
- Do I Need a Lawyer If I Was Injured in a Motorcycle Accident in Arizona?
- Can I Sue If a Car Accident Caused a Herniated Disc?
- What If a Defective Tire Caused My Car Accident?
- Can I Sue a Bar That Served a Drunk Driver Who Later Hit Me?
- Can I Recover Compensation for PTSD or Anxiety After a Car Accident?
Free case evaluation — 24/7
One call can change everything after a car accident.
No fee if no recovery. $100M+ recovered for Arizona injury clients.