Who Is at Fault in a Traffic Light Collision?
Two cars collide at an intersection, and both drivers claim they had the green. These crashes happen often on busy roads and usually lead to heated disputes over right-of-way. With so much confusion at intersections, you might wonder how blame actually gets assigned after a traffic light collision. Let’s take a closer look at the decision process.
How Fault Gets Determined at an Intersection
The driver who fails to yield the right of way is usually at fault. Blowing through a red light makes this clear. About 40% of intersection crashes are due to drivers running red lights or stop signs. In Chicago, intersection crashes account for 41% of car accident injuries. Knowing the rules of the road is crucial for safety.
What Affects Your Fault Percentage?
Fault rarely falls 100% on one person. Insurance companies review both drivers’ actions and may assign comparative fault: a blame split based on contribution to the crash. Say one driver ran a red while the other was doing 15 miles per hour over the speed limit. Both could end up sharing the blame. This kind of scenario is more common than you’d think. Proving your side is what matters.
What Evidence Proves Fault After a Traffic Light Crash?
Proving you had the green light can be tough. If you’re hit at a busy intersection near downtown, gathering evidence right away can make or break your claim. A local attorney familiar with comparative fault rules can help you document the scene properly and deal with insurance companies.
Here’s what you should try to collect at the scene:
- Police report: The official accident record.
- Witness statements: Independent accounts of the signal and crash.
- Dashcam footage: Video capturing the incident.
- Intersection cameras: Check footage from nearby businesses and traffic systems; drivers often overlook these sources.
Don’t underestimate witness accounts. In a recent case, a traffic tribunal ruled that a driver was 100% at fault, based solely on witness statements. The vehicles showed no visible damage, but the testimony sealed it.
Police Report vs. Insurance Adjuster
So who actually gets the final say on fault? It’s not who most people think.
A police officer at the scene issues tickets for traffic violations. But the insurance adjuster determines financial liability. Those are two very different things.
| Category | Police Officer | Insurance Adjuster |
|---|---|---|
| Focus | Traffic laws and safety | Financial risk and policy terms |
| Action | Issues tickets and citations | Approves or denies financial claims |
| Final Say | No authority over insurance payouts | Determines fault percentage for the claim |
What Happens If You Skip Gathering Evidence?
This is where things go sideways fast. Leave the scene without documentation, and you’re handing the insurance company a reason to split fault 50/50. That’s exactly what they’ll often do to save money.
Over 50% of serious traffic injuries and fatalities occur at or near intersections. Protecting your claim ensures accountability for the right person, not just financial compensation.
Taking Control After an Intersection Crash
Right-of-way decides fault. The rules are clear, but proving your case requires effort. Collect solid evidence, know how shared fault works in your state, and document everything before leaving. Stay calm, take photos, talk to witnesses, and get the police report to protect yourself.
Frequently Asked Questions
Do I need a police report for a minor intersection crash?
Yes. A police report gives you an objective, official record of what happened. Insurance companies rely on it heavily when determining fault.
How long does an insurance company have to decide fault?
It typically takes between 15 days and a whole month for an adjuster to investigate and assign fault, though timelines vary by state.
What if there are no witnesses?
Without witnesses, investigators lean on vehicle damage patterns, skid marks, and nearby security camera footage to piece together who had the right of way.
