Common Causes of Lexington Motorcycle Accidents

Legally Reviewed by the Stewart Law Offices Content Team: Sep 19, 2026

Every ride carries risk. On the roads and highways of Lexington County, from the high-speed freight lanes of I-20 to the winding residential corridors of Old Chapin Road and Edmund Highway, motorcycle riders face hazards that car and truck drivers simply do not. Understanding the common causes of Lexington motorcycle accidents is not just an academic exercise. It is the foundation of every successful injury claim, because proving why a crash happened is how you prove who is responsible for paying for it.

Attorney Stephen Vicari brings more than a decade of dedicated personal injury experience to every motorcycle accident case he handles in Lexington County, holding a license in good standing with the South Carolina Bar and a genuine commitment to each client he represents. At Stewart Law Offices, you are never handed off to support staff. From your first phone call through the final resolution of your case, you speak directly with your Lexington motorcycle accident lawyer, receiving honest answers, real-time updates, and the aggressive advocacy your recovery demands. If you were injured in a motorcycle crash.

Why South Carolina Motorcycle Accidents Happen

Motorcyclist fatalities increased 28 percent between 2018 and 2023, rising from 4,985 to 6,364 deaths, even as overall traffic fatalities trended in a different direction. Motorcyclists account for 16 percent of all U.S. traffic fatalities despite representing less than one percent of total vehicle miles traveled. The Federal Highway Administration’s Motorcycle Crash Causation Study (MCCS), which analyzed approximately 350 motorcycle crashes from a representative year, identified that the behavior of other vehicle drivers, not the motorcyclist, was the dominant contributing factor in most crashes.

Specifically:

• 76.2 percent of all studied motorcycle accidents were multi-vehicle crashes
• 83 percent of other vehicle drivers took no collision-avoidance action at all in the moments before impact
• 70 percent of crashes involved inadequate traffic scanning by the other driver
• 63 percent of crashes involved unsafe acts by the other vehicle driver
• 60 percent involved potential hazard detection failure on the part of the other driver
• 50 percent involved faulty traffic strategy decisions by the other driver
• 43 percent involved attention failure, distraction, or stress on the part of the other vehicle driver

The most common perception failure involved drivers who did not visually check for motorcycles when changing lanes or turning, leaving riders with insufficient time to react.

This research has direct legal implications for South Carolina motorcycle accident claims. When another driver’s inattention, poor judgment, or unsafe behavior causes your crash, not any action by you, that driver and their insurer bear primary legal responsibility for your injuries.

The Most Common Causes of Lexington  Motorcycle Accidents

Left-Turn Collisions

Left-turn accidents are the single most documented cause of serious motorcycle crashes in Lexington County and South Carolina. When a driver in an oncoming or crossing lane executes a left turn, they must judge the speed and proximity of approaching traffic. Motorcycles are smaller and harder to judge than cars. Drivers routinely misjudge a motorcycle’s approach speed, turn across its path, and eliminate any possibility of the rider avoiding impact.

Under South Carolina law, the driver of a vehicle intending to turn left within an intersection or into an alley, private road, or driveway must yield the right-of-way to any vehicle approaching from the opposite direction that is within the intersection or so close as to constitute an immediate hazard. Failure to yield when making a left turn is a violation of this statute and constitutes negligence in a civil injury claim. In motorcycle cases, this type of negligence is often catastrophic because the motorcyclist usually has little to no time to avoid the collision.

Distracted Driving

Distracted driving is consistently listed as one of the top contributing factors in motorcycle crashes in Lexington County. When a driver is looking at a phone, adjusting a GPS, eating, or simply not watching the road, a motorcycle can disappear from their awareness entirely in the fraction of a second it takes for a dangerous situation to develop. South Carolina law prohibits texting while driving under SC Code § 56-5-3890. But hands-free distraction, talking on a call, monitoring navigation, and managing in-car entertainment systems remain legal and equally dangerous.

Any driver who was distracted at the time of impact with a motorcyclist is potentially liable for the full scope of resulting injuries.

Speeding and Driving Too Fast for Conditions

Excessive speed is a factor in many common causes of Lexington motorcycle accidents. When either the rider or another driver is speeding or driving aggressively, everyone on the road faces greater danger.

Speed matters in motorcycle accident cases for two reasons. First, it reduces the time any driver has to perceive and react to a motorcycle. Second, it dramatically increases the energy transferred in a collision, turning a survivable impact into a fatal one.

South Carolina’s reckless driving statute under SC Code § 56-5-2920 applies when a driver operates a vehicle with willful disregard for the safety of others, which speeding through motorcycle traffic unambiguously is.

Impaired Driving

Impaired driving remains one of the most preventable and tragic causes of motorcycle crashes. Alcohol or drug impairment slows reaction time, reduces judgment, and makes it harder for drivers to track smaller vehicles like motorcycles.

South Carolina motorcycle safety research notes that alcohol was involved in roughly one‑third of fatal motorcycle crashes in some recent years. An estimated 41 percent of riders who died in single‑vehicle motorcycle crashes in 2023 were alcohol‑impaired. Impaired driving is a particular concern on weekend evenings in Lexington County, where commercial corridors and entertainment districts draw drivers whose judgment may be compromised.

Whether it’s a drunk driver crossing the centerline on a rural secondary road or an impaired rider losing control on a curve, the impact on families is the same. If an impaired driver caused your crash, a Lexington motorcycle accident lawyer can pursue both compensatory and, in some cases, punitive damages.

Failure to Yield the Right of Way

Failure to yield was the second most frequently documented cause of motorcycle crashes in Lexington County and across South Carolina, closely following speeding in the SCDPS five-year data set. This violation most commonly occurs when drivers pull out of side streets or parking lots into the path of an approaching motorcycle, merge onto highways without checking for motorcycle traffic, or run red lights or stop signs.

Failure-to-yield crashes are particularly dangerous for motorcyclists because they typically result in T-bone or side-impact collisions at angles for which the rider has almost no protective geometry between themselves and the striking vehicle.

Lane Changes Without Checking Blind Spots

The MCCS specifically identified failure to check for motorcycles before changing lanes as one of the most common driver perception failures in motorcycle crash cases. Motorcycles fit comfortably within the blind spots of most passenger vehicles, SUVs, and trucks, and drivers who change lanes without a full head-check create immediate, life-threatening hazards for riders in adjacent lanes.

Under SC Code § 56-5-1900, a driver may not change lanes until they have established that doing so can be done safely. A driver who changes lanes into a motorcycle violates this statutory duty.

Following Too Closely (Tailgating)

Motorists who tailgate motorcycles give themselves almost no stopping distance in the event the rider brakes, decelerates, or encounters a sudden hazard. Where a minor fender-bender between two cars might cause cosmetic damage, the same rear-end impact into a motorcycle can throw the rider from the bike, producing traumatic brain injuries, spinal cord damage, road rash, or death.

The stopping distance required at highway speeds on I-20 near the Lexington County line with Richland County leaves virtually no room for error when a vehicle is following a motorcycle more closely than a safe gap allows. South Carolina law requires drivers to follow at a distance that provides adequate stopping distance under current conditions.

Aggressive Driving and Road Rage

Aggressive driving behaviors, such as intentionally tailgating, cutting off motorcyclists, weaving at speed, and attempting to force a rider to the shoulder, pose the same immediate danger as any other form of reckless conduct, but with the added element of deliberate intent.

When an aggressive driver causes a motorcycle crash, their conduct may support not just ordinary negligence liability but punitive damages, which are available under South Carolina law when a defendant’s behavior was willful, reckless, or wanton under SC Code § 15-32-530.

Poor Road Conditions and Infrastructure Defects

South Carolina’s road infrastructure poses unique hazards for motorcycles that passenger vehicles often encounter without incident. Lexington County’s rapidly developing infrastructure and aging road surfaces in certain areas present particular challenges. Potholes, raised pavement edges, loose gravel, inadequate drainage causing standing water, missing lane markings, and crumbling asphalt shoulder conditions that are minor nuisances in a car can send a motorcycle into a loss-of-control situation without any driver error involved.

When a road defect causes or contributes to a motorcycle crash, the government entity responsible for maintaining that road may be liable, subject to the South Carolina Tort Claims Act’s two-year deadline and notice requirements.

Dooring Accidents

A dooring accident occurs when a driver or passenger in a parked vehicle opens their door directly into the path of an approaching motorcyclist. Unlike cyclists, who may have enough time to swerve or brake, a motorcyclist traveling at street speed is frequently unable to take effective evasive action. The collision with an open car door can throw a rider from the bike and directly into traffic.

Dooring incidents are common in commercial areas with parallel parking in downtown Lexington and along commercial corridors where vehicle occupants routinely open doors without checking mirrors for approaching two-wheeled traffic.

Mechanical Defects and Vehicle Failures

Not every common cause of Lexington motorcycle accidents originates with driver behavior. Defective components, failed brakes, tire blowouts caused by manufacturing flaws, steering system failures, and fuel system defects can cause a rider to lose control without any contributing negligence on their part or anyone else’s in traffic.

When a product defect caused or contributed to your crash, the manufacturer, distributor, or retailer of the defective component may be liable under South Carolina product liability law, independently of any negligence theory.

Inexperienced Riders and Rider Error

While the MCCS data shows that other vehicle drivers bear primary responsibility in the majority of motorcycle crashes, rider factors also contribute in some cases. New motorcyclists unfamiliar with their bike’s braking characteristics, weight balance, or corner entry speeds are more likely to lose control, especially in emergencies. Overbraking, locking the front wheel, is one of the most common rider errors leading to single-vehicle crashes.

This does not eliminate liability when another vehicle’s negligence created the emergency in the first place. South Carolina’s modified comparative negligence rule under SC Code § 15-38-15 allows recovery when the rider’s fault is below 51%, meaning even a rider who made an error during evasion may still have a viable claim against the driver whose negligence created the situation they were responding to.

Hazardous Weather and Reduced Visibility

Rain, morning fog, glare from low sun angles, and sudden darkness all reduce a motorcycle’s already limited visibility to other drivers. South Carolina’s humid climate produces morning fog that can reduce visibility to near zero for drivers who are not adjusting their speed and scanning habits accordingly.

When a driver fails to reduce speed and increase attention during adverse conditions and strikes a motorcyclist, that failure constitutes negligence regardless of what the weather conditions were.

Injuries Often Seen in South Carolina Motorcycle Crashes

Because motorcycles lack the crash protection of cars, the injuries in these collisions are frequently severe. Riders may suffer:

• Traumatic brain injuries and concussions
• Spinal cord damage and paralysis
• Multiple fractures and crush injuries
• Road rash, deep lacerations, and disfigurement
• Internal organ damage and internal bleeding
• Wrongful death

In 2021, 177 people died in motorcycle crashes in South Carolina, and hundreds more were hospitalized with serious injuries. The long‑term costs of these injuries can include surgeries, rehabilitation, lost income, and permanent lifestyle changes.

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What to Do After a Motorcycle Crash Caused by Any of These Factors

Regardless of which specific cause contributed to your crash, the steps you take immediately afterward protect both your health and your legal claim:

• Call 911 and ensure a police report is filed, even for crashes that seem less serious than they are
• Seek emergency medical attention the same day, before adrenaline masks injuries
• Document the scene with photographs: the vehicles, road conditions, traffic signals, skid marks, and your visible injuries
• Collect driver information, insurance details, and witness contact information
• Do not give a recorded statement to any insurance company before speaking with a Lexington motorcycle accident attorney

Contact Stewart Law Offices as soon as possible so evidence can be preserved before it disappears. Call us at (803) 520-0003 or contact us online to schedule your free, confidential consultation. Attorney Stephen Vicari is ready to review your crash, explain your rights under South Carolina law, and pursue full compensation on your behalf at no cost to you unless we win.

FAQs About Common Causes of Lexington Motorcycle Accidents