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Determining Fault in Missouri Left-Turn Motorcycle Accidents

Written By Gene Hou, Principal and Founder - Missouri Injury Law Firm, LLC

Published on December 12, 2025

Last updated on June 30, 2026

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Left-turn collisions are every motorcyclist’s nightmare. You’re riding through an intersection with the right of way when suddenly a car swings left directly into your path. There’s no time to stop, nowhere to swerve, and within seconds, you’re on the ground with injuries that might change your life.

According to Department of Transportation data, approximately 50% of all motorcycle collisions happen during left turns. That’s not a typo; half of all crashes involving bikes occur in this single scenario. These accidents are particularly dangerous because motorcyclists have virtually no protection when a vehicle crosses their path.

But here’s the question that matters after the crash: who’s legally responsible? The answer isn’t as straightforward as you might think, even when it seems obvious that the turning driver caused the collision.

The General Rule: Left-Turning Drivers Are Usually at Fault

Missouri law is pretty clear about left turns. Drivers making left turns must yield the right of way to oncoming traffic. That includes motorcycles, cars, trucks, and any vehicle lawfully traveling through the intersection.

When a driver turns left without ensuring their path is clear, they’ve failed their legal duty. In most cases, that failure makes them liable for the accident and resulting injuries.

Why These Crashes Happen

Left-turn motorcycle accidents typically unfold in one of several ways:

The driver simply doesn’t check for oncoming motorcycles before turning
The driver looks but doesn’t see the motorcycle (visibility and size issues)
The driver sees the bike but misjudges its speed, thinking they have time to complete the turn
The driver turns without signaling their intention
The driver is distracted by the phone, passengers, GPS, or other factors

The common thread? The turning driver failed to yield when they should have.

But Fault Isn’t Automatic in Missouri

Here’s where things get more complicated. Just because the left-turning driver is typically at fault doesn’t mean they’re always 100% responsible. Missouri courts examine the actions of both parties before assigning liability.

Even when a car turns left directly in front of you, insurance companies and defense attorneys will look for ways to shift blame to the motorcyclist. They’ll argue you were speeding, not paying attention, or could have taken evasive action to avoid the collision.

This matters because of how Missouri handles fault in accidents.

Missouri’s Pure Comparative Fault System

Missouri follows what’s called pure comparative fault under Mo. Rev. Stat. § 537.765. This legal framework allows injured parties to recover compensation even when they share responsibility for the accident, but reduces their recovery by their percentage of fault.

How it works:

Your total damages are $100,000. The court finds you 20% at fault for speeding slightly, while the left-turning driver is 80% at fault for failing to yield. You recover $80,000 instead of the full amount.

Missouri’s system is more generous than many states. Even if you’re found 90% responsible, you can still recover 10% of your damages. That’s unusual; many states bar recovery entirely if you’re more than 50% at fault.

But insurance companies exploit this system by aggressively arguing you share blame to reduce their payout.

How Motorcyclists Get Blamed in Left-Turn Crashes

Defense attorneys and insurance adjusters use common tactics to assign fault percentages to motorcyclists, even in clear-cut left-turn scenarios:

Speed Arguments

“The motorcyclist must have been speeding” is the default claim. Even if you were traveling at or slightly above the speed limit, they’ll argue you contributed to the crash by going too fast. They claim that had you been driving slower, you could have stopped in time.

The reality? Left-turning drivers often can’t accurately judge a motorcycle’s speed because bikes are smaller and harder to see.

Visibility Claims

Insurance companies argue you weren’t wearing bright colors or reflective gear, making yourself harder to see. They’ll suggest you should have done more to be visible, implying you share responsibility for not being noticed.

Failure to Avoid

Perhaps the most frustrating argument: “You should have swerved or braked harder to avoid the collision.” They claim you had time to take evasive action but didn’t, contributing to your own injuries.

This ignores physics. Motorcycles need distance and time to stop. When a car suddenly turns left in front of you, there often isn’t enough of either.

Distraction Allegations

Defense teams will investigate whether you were using a phone, adjusting your GPS, or otherwise distracted immediately before the crash. Any evidence of distraction gets used to argue comparative fault.

Common Fault Arguments Against Riders	Why They’re Used	How to Counter
Speeding	Reduces insurer payout	Speed limit compliance evidence, accident reconstruction
Poor visibility/clothing	Shifts blame to the rider	Traffic laws don’t require specific colors; the driver had a duty to check
Failure to avoid a crash	Implies rider negligence	Physics of stopping distance, lack of reaction time
Distraction	Questions the rider’s attention	Phone records, witness testimony

The Anti-Motorcyclist Bias Problem

Let’s be honest about something that affects every motorcycle accident case: bias against riders. Drivers, insurance adjusters, and even juries often assume motorcyclists are reckless risk-takers who probably caused the accident.

Common stereotypes include:

“Motorcycles are inherently dangerous” (implying you assumed the risk).
“Bikers always speed and weave through traffic”.
“If I didn’t see the motorcycle, it must have come out of nowhere”.
“He was probably showing off or riding aggressively”.

Insurance companies exploit these biases during claims negotiations. They know that juries might be more sympathetic to a “regular driver” than a motorcyclist, so they push harder to assign blame to riders even in clear liability situations.

This is exactly why legal representation matters in left-turn cases. Attorneys experienced with motorcycle accidents know how to dismantle these stereotypes with facts, evidence, and expert testimony.

Evidence That Proves Fault in Left-Turn Accidents

Winning your case requires more than just claiming the other driver turned in front of you. You need evidence that proves negligence and counters comparative fault arguments.

Critical Evidence to Gather

Police reports – Official documentation of the accident, including officer observations and preliminary fault determinations
Witness statements – Independent accounts from people who saw the collision unfold
Photographs and video – Scene documentation showing vehicle positions, skid marks, debris patterns, and road conditions
Surveillance footage – Traffic cameras, business security systems, and dashcams that captured the accident
Cell phone records – Proof that the turning driver was texting or on their phone at the time of impact
Accident reconstruction – Expert analysis of vehicle speeds, positions, and collision dynamics
Your testimony – Your account of what happened, given consistently and documented properly

The sooner you collect this evidence, the better. Traffic cameras overwrite footage quickly. Witnesses forget details. Physical evidence at the scene gets cleaned up within days.

Proving the Four Elements of Negligence

Missouri requires proving four elements to establish the turning driver’s fault:

Duty – All drivers owe a duty of care to others on the road
Breach – The driver violated that duty by turning without yielding
Causation – That breach directly caused your accident and injuries
Damages – You suffered physical, emotional, or financial harm

If you can’t prove all four elements, your claim fails regardless of how obvious the driver’s fault seems.

Beyond the Turning Driver: Other Liable Parties

Sometimes the left-turning driver isn’t the only party responsible for your crash. Other entities might share liability:

Government entities – Dangerous road design, poor signage, malfunctioning traffic signals, or inadequate intersection lighting can contribute to left-turn accidents. Government claims require filing notice within 90 to 180 days, much shorter than the standard five-year personal injury statute of limitations.
Employers – If the turning driver was working at the time (delivery driver, commercial vehicle, rideshare), their employer may be liable under vicarious liability principles.
Bars and restaurants – Missouri’s dram shop laws allow claims against establishments that overserved visibly intoxicated drivers who later caused accidents.
Vehicle or parts manufacturers – Defective brakes, steering, lighting, or other mechanical failures that prevented the driver from stopping or seeing you clearly could create product liability claims.

Identifying all potentially liable parties matters because it expands available insurance coverage and compensation sources.

What to Do Immediately After a Left-Turn Crash

Your actions right after the accident affect both your health and your legal claim.

Call 911 and report the accident – Get police and medical help to the scene immediately
Seek medical attention – Even if you feel okay, get examined. Adrenaline masks injury symptoms
Document everything – Take photos of vehicles, the intersection, your injuries, and road conditions
Get witness information – Collect names and contact details from anyone who saw what happened
Exchange information – Get the driver’s insurance details, license plate, and contact information
Don’t admit fault – Avoid apologizing or saying things like “I should have been more careful”
Refuse recorded statements – Insurance adjusters will use anything you say to reduce their payout
Contact an attorney quickly – Legal guidance early in the process protects your rights and strengthens your case

What you say at the scene can dramatically affect comparative fault determinations later. Simple statements like “I’m sorry” get twisted into admissions of guilt.

Frequently Asked Questions

If I had the green light and the other driver turned left in front of me, can I still be found partially at fault in Missouri?

Yes, Missouri’s pure comparative fault system allows courts to assign partial blame even when you had the right of way. Insurance companies may argue you were speeding, distracted, or failed to take evasive action that could have prevented the collision. However, having the green light strongly supports your case and typically results in the left-turning driver bearing the majority of fault, often 80-100%. Evidence like witness testimony, traffic camera footage, and accident reconstruction helps counter unfair blame-shifting attempts.

How long do I have to file a claim after a left-turn motorcycle accident in Missouri?

Missouri’s statute of limitations gives you five years from the accident date to file a personal injury lawsuit. Wrongful death claims have a shorter three-year deadline from the date of death. However, if government entities contributed to the accident through poor road design or maintenance, you must file notice within 90 to 180 days. Don’t wait; evidence disappears, witnesses forget details, and insurance companies become less willing to negotiate fair settlements as time passes.

Can the left-turning driver’s insurance company deny my claim by saying they didn’t see my motorcycle?

“I didn’t see the motorcycle” is the most common defense in left-turn accidents, but it doesn’t absolve the driver of liability. Missouri law requires drivers to check for all oncoming traffic before turning, and failure to see a vehicle doesn’t eliminate their duty. Insurance companies will try to use visibility as a fault-shifting argument, but experienced attorneys counter this with evidence showing the driver should have seen you regardless of motorcycle size.

Get Legal Help for Your Left-Turn Accident

Left-turn motorcycle accidents come with built-in assumptions about fault, but those assumptions don’t automatically translate to full compensation. Insurance companies will fight to shift blame to you, reduce their payout, and close your claim for far less than you deserve.

Missouri Injury Law Firm knows how to handle left-turn collision cases. We understand the tactics insurers use against motorcyclists, and we know how to counter them with evidence that proves the turning driver’s negligence. Our No Win, No Fee guarantee means you risk nothing by getting answers. Contact us today for your free case review, and protect your right to fair compensation.