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Assigning Blame After an Excessive Speed Crash in Missouri

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

Published on September 4, 2026

Last updated on September 2, 2026

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Table of Contents

    Short answer: the faster driver in Missouri is not automatically 100 percent to blame. Liability depends on whether the excess speed actually caused or worsened the wreck, and whether anyone else drove carelessly. Because this state applies pure comparative fault, blame can be divided between both parties, and an injured person’s recovery shrinks by the percentage assigned to them.

    A wreck at 78 in a 60 zone looks like it answers its own question. One motorist was flying, so that motorist paid, and everybody went home. Real car accident claims almost never close that neatly, because Missouri asks a second question that catches injured people off guard: did anyone else contribute, even slightly, to the outcome? That wrinkle decides how much money actually changes hands.

    How Missouri Divides Blame Between Two Drivers

    Missouri’s pure system is codified in RSMo 537.765 and was established by a 1983 Missouri Supreme Court decision, Gustafson v. Benda. Your recovery drops by whatever share of blame lands on you, and no cutoff wipes the claim out entirely. Somebody was found 80 percent responsible but still collected 20 percent of the proven damages. Neighboring states usually bar recovery once a plaintiff crosses 50 or 51 percent; Missouri never does.

    One detail is constantly missed. Your share is an affirmative defense, meaning the defense must plead and prove it. If nobody raises the issue, it stays out of the case entirely.

    Insurance adjusters and juries weigh several things when splitting responsibility:

    • How far above the limit the vehicle was actually traveling
    • Whether weather, traffic, or darkness demanded slower movement than the sign allowed
    • What each driver did during the final seconds before contact
    • Whether either party had a realistic chance to avoid the crash

    The Math Behind a Reduced Award

    Suppose proven losses reach $200,000 after surgery, missed paychecks, and long-term pain. A jury pins 25 percent on you for drifting toward the lane line and 75 percent on the other driver for barreling along at 85. You take home $150,000. Move that fault percentage five points in either direction and $10,000 travels with it, which explains why insurers argue so hard over figures that look trivial on paper. Negotiations often open with a percentage rather than a dollar amount, and the dollar amount quietly follows.

    Why Traveling Too Fast Changes Who Pays

    Physics does not negotiate. A vehicle moving 20 miles above the posted limit covers extra ground during the second or so that of any human’s reaction time, then demands a longer stretch of pavement before the brakes bring it to rest. Both distances stack. A hazard that would have been a near miss becomes a hard hit.

    According to the Missouri State Highway Patrol’s 2023 crash statistics, speed was a probable contributing factor in 39 percent of fatal crashes statewide, making it the most frequently cited factor in the state’s deadliest wrecks.

    What changes as the needle climbs:

    • Reaction distance stretches before a pedal is ever touched
    • Braking distance grows sharply, and not in a straight line
    • Impact forces rise, converting a fender bender into a hospital admission
    • Margin for somebody else’s error shrinks toward zero

    That last point deserves a pause. High-velocity accidents tend to produce catastrophic injuries rather than sore necks, partly because the cushion that would otherwise absorb a small mistake by either driver has already been spent.

    Does a Citation Settle the Question of Blame?

    No, and that surprises nearly everyone. A ticket documents an opinion formed at the roadside by one officer, usually within minutes, sometimes without any measurement beyond a visual estimate. Useful? Certainly. Conclusive? Not close.

    • A citation reflects an officer’s judgment rather than a court’s finding
    • Municipal charges frequently get amended, which thins the paper trail
    • Blame still requires a link between the conduct and the harm suffered
    • Defense counsel may challenge radar calibration, sight lines, or vantage point

    I have seen the reverse assumption cause real damage, where somebody treats their own ticket as a confession and quietly gives up. That instinct costs money. An accident report is a starting document, not a scoreboard, and the officer who wrote it rarely witnessed the impact.

    Proving How Fast the Other Vehicle Was Moving

    Serious cases are built on physical proof rather than impressions. Evidence disappears quickly, so the opening weeks matter far more than most injured people realize. Vehicles head to the salvage yard, footage overwrites itself in a 30-day loop, and memories soften.

    • Event data recorder downloads pulled from either vehicle
    • Dashcam clips, doorbell cameras, and nearby business surveillance
    • Skid measurements plus gouge patterns left on the pavement
    • Crush profiles compared against manufacturer crash testing
    • Phone records establishing use and timing
    • Independent witnesses who watched the approach unfold

    A qualified accident reconstruction engineer can translate those inputs into a defensible number. Their analysis often becomes the spine of an injury claim, particularly when two accounts of what happened flatly contradict each other.

    What a Vehicle’s Black Box Records

    Federal rule 49 CFR Part 563 covers passenger vehicles built on or after September 1, 2012, that carry one of these modules, and it standardizes what those modules must store. Typical captures include:

    • Travel speed in the moments preceding impact
    • Throttle position and brake application timing
    • Steering input immediately ahead of impact
    • Change in velocity across the crash pulse itself
    • Restraint status for front occupants

    Getting that module preserved usually requires a written demand from your attorney within days, before the salvage yard crushes the proof. Insurance carriers know this timeline perfectly well, and in my experience, they seldom volunteer a reminder.

    Wreck Patterns Where Speed Rewrites the Story

    Fault analysis changes with geometry. Four familiar accident scenarios show how differently the same excess pace can land:

    Scenario Where blame usually lands Why velocity matters
    Fast car strikes a stopped vehicle from behind Following driver carries most of it Stopping distance grows past the available gap
    Somebody pulls out of a side street ahead of a quick approach Frequently split Right-of-way violation and unsafe pace both contribute
    Left-turn driver cuts across a rapid oncoming car Frequently split Speed makes an unsafe gap look acceptable
    Red-light runner strikes a quick-moving car Signal violator absorbs the larger share Pace counts only if it helped cause or worsen the harm

    A rear-end collision creates a strong presumption against the following driver, since Missouri law presumes everyone keeps enough space to stop.

    • Following distance kept before traffic slowed
    • Whether the lead vehicle halted abruptly without reason
    • Functioning brake lamps on the forward car
    • Surface conditions and visibility at that instant

    An intersection accident works differently. In a T-bone collision, the motorist entering against a signal usually absorbs most blame, yet cross traffic arriving 25 miles over the limit can pick up a meaningful share, because the crossing driver never had a fair chance to judge the gap. Similar reasoning drives many left-turn disputes.

    • Signal timing records held by the municipality
    • Where each vehicle sat when the light changed
    • Whether an oncoming car was closing far quicker than it appeared
    • Accounts from motorists waiting in adjacent lanes

    When the Front Motorist Shares Blame

    Sometimes the person struck from behind contributed something. It happens more often than insurers admit and less often than they claim. Proving it usually takes video or a neutral witness, since the physical marks left behind seldom tell that piece of the story on their own.

    • Brake checking or retaliatory slowing
    • Merging into a gap that never really existed
    • Burned-out lamps that concealed a stop
    • Entering a highway far below the flow of traffic

    How Insurers Use Shared Blame to Shrink a Check

    Here is where the pure rule cuts both ways. Because every percentage point you absorb reduces the payout, insurance companies have a direct financial reason to build a case against you. Nothing about that is personal. It is arithmetic. Every accident file gets a reserve figure early on, and adjusters are judged on how close the eventual payment comes to it.

    • Opening with a low offer anchored to an inflated blame estimate
    • Requesting a recorded statement before treatment has finished
    • Combing social posts for anything that undercuts your account
    • Arguing that gaps between appointments prove the harm was minor
    • Pushing a fast release while liability facts remain unsettled

    Recorded interviews deserve particular caution. Questions sound friendly, the adjuster sounds sympathetic, and the transcript lives forever. You are under no legal obligation to give one to the other side’s carrier.

    Statements That Quietly Move the Numbers

    Casual remarks get quoted back months later, stripped of context:

    • “I never saw them coming”
    • “Maybe I was going a little fast”
    • “I feel fine, just sore”
    • “I was running late”

    None of those sentences is a confession, exactly. Each one hands an adjuster material. Describe what happened, stick to what you observed, and skip any speculation about who did what wrong.

    What You Can Claim, and the Clock Running Against You

    Compensation in a Missouri auto liability claim covers economic losses plus human ones:

    • Medical bills already incurred and reasonably expected
    • Lost wages along with diminished earning capacity
    • Vehicle repair or replacement, rental costs included
    • Physical pain, emotional suffering, and loss of enjoyment of daily living
    • Loss of consortium for a spouse

    Timing is unforgiving. Most personal injury suits have a five-year statute of limitations under RSMo 516.120, while a wrongful death action must be filed within three years. Waiting until year four sounds harmless and rarely is, because proof degrades long before the courthouse door closes.

    Available money matters too. Minimum coverage under RSMo 303.190 sits at 25/50/25, which a single surgery can exhaust in an afternoon. One severe accident with lasting injuries can outrun those limits entirely. Every policy issued here must also include uninsured motorist protection under RSMo 379.203, so your own insurance sometimes becomes the realistic source of recovery after serious car accidents.

    Tickets, Points, and Penalties Under Missouri Law

    Traffic court runs on a separate track from your civil case. Five over is an infraction; 20 over climbs to the class B tier under RSMo 304.010, carrying statutory exposure up to six months and $1,000, though ordinary matters end with a fine near $150 to $250 once court costs are added, doubled inside marked construction zones. Fighting the citation is usually worth a conversation with traffic counsel, since payment counts as a conviction and hands an opposing insurer a record to use.

    Amount Above the Sign Classification Under State Law License Points Statutory Maximum
    5 mph or less Infraction (RSMo 304.009) None assessed Fine plus court costs
    6 to 19 mph Class C misdemeanor (RSMo 304.010) 3 state, 2 municipal 15 days jail, $750
    20 mph or more Class B misdemeanor (RSMo 304.010) 3 state, 2 municipal 6 months jail, $1,000
    Careless and imprudent driving Separate charge (RSMo 304.012) Assessed on conviction Varies by degree

    The Missouri Department of Revenue suspends driving privileges once someone reaches eight points within an 18-month window, starting with a 30-day suspension.

    How a speeding conviction ripples into a personal injury case:

    • It hands opposing counsel a document to wave in front of jurors
    • Premiums climb, occasionally for three years or longer
    • A guilty plea, unlike a quietly paid municipal fine, may resurface later as an admission
    • An amended charge can spare your license while doing little for the civil side

    Questions Missouri Drivers Ask After a High-Speed Wreck

    Is the person speeding always at fault?

    Not automatically. Blame attaches to conduct that helped cause the harm, so a fast-moving vehicle can be assigned a small share, or none at all, when another party runs a stop sign and leaves no room to react. Jurors look at whether reasonable behavior would have changed the outcome. Conversely, a driver obeying every posted sign may still bear some blame for inattention. Conduct drives the analysis, and limits are only one input among several.

    Can both drivers be at fault if one was going too fast?

    Yes, and split verdicts are common. A jury may decide that one vehicle was traveling 15 over while the other pulled out without looking, then assign something like a 60/40 split. Percentages are usually argued through reconstruction testimony and sight-distance analysis rather than gut feeling. Nothing requires the numbers to be round, either; juries return odd allocations regularly. Each percentage point carries real money, which is why these figures get litigated so carefully.

    Can I recover damages if I was over the limit too?

    Yes. This state places no cap on plaintiff blame, so someone carrying 70 percent of it still takes home 30 percent of the case’s value. That rule separates Missouri from most of the country, where crossing the halfway mark ends a claim outright. Practically speaking, your own exposure gets weighed against the other party’s conduct, and a serious violation on their side, such as running a signal or driving impaired, can outweigh a modest overage on yours. Document everything early.

    Is Missouri a no-fault state for car accidents?

    No. This is a traditional at-fault jurisdiction, meaning the party who caused the harm and that party’s insurer pay for it. States with no-fault systems route initial medical bills through each person’s own policy, regardless of fault. Here, liability after an accident determines everything, which is exactly why blame percentages get contested so fiercely. Optional medical payments coverage can still help with early treatment costs. Uninsured and underinsured motorist benefits fill the gap when the responsible party carries too little.

    Talk With a Missouri Injury Attorney Before You Sign Anything

    Insurers begin building their version of events within hours of a crash, and the first offer usually arrives before anyone understands the full medical picture. Missouri Injury Law Firm reviews these claims at no charge and collects nothing unless we recover compensation for you. Call (636) 333-1717 or reach out to our legal team to discuss what happened while the details are still fresh.

     

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    Gene Hou

    Gene S. Hou is an experienced and accomplished trial lawyer specializing in Personal Injury Litigation. Mr. Hou has devoted his entire legal career to handling injury cases, both for the prosecution and the defense. Having won numerous jury trials, Mr. Hou feels comfortable and confident when representing his clients in the courtroom.

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