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How Does Driver Fatigue Contribute to Truck Accidents?

Home  >  Pribanic & Pribanic Archives  >  How Does Driver Fatigue Contribute to Truck Accidents?

Published November 3, 2025 | In Personal Injury
How Does Driver Fatigue Contribute to Truck Accidents?

Imagine driving through Pittsburgh when a massive tractor-trailer suddenly drifts into your lane. The driver swerves, barely regaining control, leaving you shaken and unsure what just happened. These kinds of accidents happen more often in  Pittsburgh than people think, and fatigue is usually the cause.

Truck drivers face intense pressure to meet deadlines, spending long hours on the road in traffic, bad weather, and monotonous conditions. Pushing past exhaustion puts everyone at risk. When a tired driver loses control, the consequences can be catastrophic. Passenger vehicles and fully loaded trucks don't mix well in these situations.

If you've been involved in a truck accident and don't know what to do next, a Pribanic & Pribanic truck accident lawyer in Pittsburgh can help guide you through your options.

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Key Takeaways: Driver Fatigue and Trucking Crashes

  • Fatigued truck drivers experience slower reaction times, impaired judgment, and reduced attention, making crashes far more likely to occur.
  • Federal hours-of-service regulations limit how long truck drivers can work, but violations of these rules remain common throughout the trucking industry.
  • Electronic logging devices track driver hours to prevent falsification of paper logbooks, though some carriers and drivers still find ways to cheat the system.
  • Warning signs of drowsy driving include lane departures, missed exits, and failure to respond to traffic conditions ahead.
  • Trucking companies that pressure drivers to violate hours-of-service rules or fail to properly screen and train drivers share liability when fatigue causes crashes.
  • Pennsylvania highways see numerous truck accidents each year, where driver fatigue plays a role in causing devastating injuries and deaths.
  • Call a truck accident attorney if you've been injured in a collision involving a commercial vehicle to protect your rights and pursue fair compensation.

Understanding How Exhaustion Impairs Truck Drivers

Sleep deprivation affects the brain much like alcohol. A driver awake for eighteen hours shows impairment similar to a 0.05 BAC, and twenty-four hours without sleep equals a 0.10 BAC, above the legal driving limit.

Impairs Truck Driver


Fatigue slows reaction times, making split-second decisions on highways much harder. Tired drivers struggle to maintain attention, scan surroundings, and monitor traffic. Microsleeps can occur, where the brain briefly shuts down despite eyes being open, covering hundreds of feet unaware. Judgment also suffers, leading to risky passing, tailgating, or ignoring rest needs. Physical coordination declines, reducing precise steering and gear control, creating dangerous conditions for everyone on the road.

At Pribanic & Pribanic, we analyze logbooks, interview witnesses who observed drifting or erratic driving, and work with safety professionals to show that proper rest would have prevented these collisions on Pennsylvania highways.

Federal Hours-of-Service Rules That Limit Driving Time

The Federal Motor Carrier Safety Administration sets hours-of-service rules to prevent fatigue-related truck crashes. These regulations limit how long drivers can work and outline required rest periods to keep roads safer.

The eleven-hour rule lets property-carrying drivers operate for up to eleven hours after ten consecutive hours off duty. The fourteen-hour rule sets a workday window—once fourteen hours have passed from the start of duty, driving must stop, even if the eleven-hour limit hasn't been reached. Sleeper berth provisions allow drivers to split their ten-hour off-duty requirement into at least seven hours in the berth plus another period of at least two hours.

Drivers must also take a thirty-minute break after eight hours of driving and comply with weekly limits of sixty to seventy hours, depending on their schedule. Despite these rules, violations remain common due to economic pressure, and some drivers and carriers still bend or falsify records. ELDs help enforce compliance, but don't eliminate all risks.

How Electronic Logging Devices Track Driver Hours

Electronic logging devices, or ELDs, transformed hours-of-service tracking by replacing paper logbooks that drivers could easily falsify. ELDs connect to a truck's engine and automatically record driving and idle time, making it much harder to backdate or alter logs.

Before ELDs, drivers often kept multiple paper logs—one for inspectors and one showing actual hours—earning the nickname "comic books" for the fictional official versions. Since the December 2017 mandate, most carriers must use ELDs, improving compliance.

ELDs aren't foolproof. Drivers can still claim personal conveyance or yard move exceptions, or use devices that interrupt engine connections to hide hours. Violations continue to appear in inspections and crash investigations, showing fatigue remains a real hazard.

At Pribanic & Pribanic, we obtain and analyze ELD data in Pennsylvania truck crash cases. This information documents driving patterns, rest breaks, and hours-of-service violations, helping prove that a fatigued driver should not have been on the road when your accident occurred.

Warning Signs That Identify Drowsy Truck Drivers

Fatigued truck drivers often show warning signs that other motorists can spot before crashes occur. Lane drifting is a common indicator, with trucks weaving across lines or rumble strips and correcting abruptly. Inconsistent speeds, slowing and accelerating without traffic reasons, all signal lapses in focus.

Delayed reactions to traffic lights, missed turns, or abrupt stops also show impaired alertness. Near-misses with other vehicles, guardrails, or medians reveal a driver who isn't fully aware of their surroundings.

If you notice these behaviors, keep a safe distance, avoid driving directly in front of or behind the truck, and give yourself escape routes. Consider calling 911 if the driver poses immediate danger. Pennsylvania State Police and local authorities document reports of dangerous truck driving, which can prevent crashes and establish patterns that support legal claims.

How Trucking Companies Contribute to Driver Fatigue

Truck drivers are responsible for choosing to drive while fatigued, but trucking companies often create conditions that make fatigue unavoidable. Unrealistic delivery schedules push drivers beyond legal limits, while productivity-based pay encourages long hours with minimal rest. Drivers may falsify logs or skip breaks just to keep their jobs.

Inadequate training leaves many drivers unprepared to recognize or manage fatigue. Poorly maintained trucks with uncomfortable seats, loud cabins, and rough rides make restful sleep difficult, worsening exhaustion. Chronic understaffing forces drivers to take on longer routes and more loads, turning fatigue into a systemic problem rather than an isolated issue.

The Devastating Consequences of Truck Accidents Caused by Fatigue

Truck crashes are far more dangerous than car collisions because of the massive size and weight difference. An 80,000-pound truck striking a 3,000-pound car delivers enormous force, and fatigue-related crashes are often worse, since tired drivers fail to brake or take evasive action.

Fatalities remain tragically common on Pennsylvania highways. Survivors of catastrophic injuries, such as spinal cord damage, traumatic brain injuries, amputations, and severe burns, face lifelong medical care, lost income, and drastically reduced quality of life. Chain-reaction crashes caused by fatigued drivers can involve multiple vehicles, especially on I-79, I-376, and Route 22, overwhelming emergency responders and affecting many families at once.

Economic losses go beyond medical bills. Injured victims lose income, families lose financial support, and the overall impact includes pain, suffering, and diminished life enjoyment.

Proving That Driver Fatigue Caused Your Truck Accident

Proving driver fatigue caused a truck accident requires careful investigation and detailed evidence. Hours-of-service records, including electronic logging device data and dispatch logs, show whether drivers exceeded federal limits or skipped required breaks.

Electronic control module data records vehicle speed, braking, and steering before the crash, revealing delayed reactions or erratic movements consistent with fatigue. Witnesses may report the truck weaving, drifting, or moving inconsistently, further supporting claims. Drivers' own statements admitting tiredness or sleep struggles can also be powerful evidence.

Driver history, prior violations, and untreated sleep disorders like sleep apnea add context, showing patterns that carriers should have addressed. Pribanic & Pribanic works with reconstruction experts, trucking consultants, and medical specialists to connect driver behavior, carrier policies, and the crash, ensuring clients in Pennsylvania receive the compensation they deserve.

Liability Beyond the Driver in Fatigue-Related Truck Crashes

When driver fatigue leads to a truck accident, liability often extends beyond the driver. Identifying all responsible parties helps maximize compensation for injuries.

Trucking companies can be vicariously liable for crashes caused by employees during work. They may also be directly responsible if they pressured drivers to violate hours-of-service rules, neglected training, or failed to maintain vehicles properly.

Cargo loaders and shippers can share liability when improperly secured or overloaded cargo contributes to crashes. Truck leasing companies may also be responsible, depending on lease agreements and operational control. Maintenance contractors could be liable if mechanical issues, combined with fatigue, caused the accident.

Pennsylvania law allows injured victims to pursue compensation from everyone whose negligence played a role. We investigate thoroughly to identify all liable parties and pursue every available source of compensation for our clients.

Steps to Take After a Truck Accident Involving Driver Fatigue

The aftermath of a serious truck crash can be overwhelming. Taking the right steps protects your health, preserves evidence, and strengthens any legal claim.

Seek medical care immediately, even if you feel fine, since adrenaline can mask injuries. Police reports document the scene, witness accounts, and driver behavior, providing important evidence. If you can, take photos of vehicle damage, road conditions, and traffic signs, and gather contact information from witnesses while they are still at the scene.

Avoid giving detailed statements to insurance adjusters before consulting a lawyer, as these can be used to limit your compensation. Keep all records of medical treatment, prescriptions, expenses, and lost work.

Why You Need a Truck Accident Attorney for Fatigue Cases

Truck accidents involving driver fatigue are far more complex than typical car crashes. Multiple parties, federal regulations, and technical evidence make these cases challenging for general practice attorneys to handle effectively.

Trucking rules add layers of complexity. Hours-of-service limits, electronic logging devices, carrier safety ratings, and drug testing protocols all play a role in determining negligence. Violations of these regulations can be key evidence in proving liability.

Multiple defendants mean multiple insurance policies, which complicates claims. Trucking companies often have aggressive defense teams working to minimize liability. Interpreting electronic logging device data or control module downloads also requires specialized knowledge from industry experts.

At Pribanic & Pribanic, we investigate driver fatigue, analyze critical electronic evidence, and work with experts to hold trucking companies responsible when their negligence causes serious crashes.

Get Help from Our Pittsburgh Truck Accident Lawyers

Driver fatigue contributes to countless truck accidents on Pennsylvania highways each year. When exhausted truck drivers cause crashes, innocent people pay the price through serious injuries, mounting medical bills, lost income, and permanent disabilities. You don't have to face these challenges alone.

Pittsburgh Truck Accident Lawyers


Our personal injury attorneys in Pittsburgh have the knowledge and resources to investigate complex commercial vehicle crashes and pursue maximum compensation from all responsible parties. If driver fatigue caused a truck accident that injured you or killed a loved one, contact Pribanic & Pribanic for a consultation. Call our office at (412) 672-5444 for further assistance.

Truck Driver Fatigue Frequently Asked Questions and Answers

How do federal regulations limit truck driver working hours?

Federal hours-of-service rules limit property-carrying drivers to eleven hours of driving after ten consecutive hours off duty. They also must complete their driving within a fourteen-hour window and take thirty-minute breaks after eight hours of driving.

Can trucking companies be held liable for accidents caused by fatigued drivers?

Yes. Trucking companies face liability both because they employ the drivers who caused crashes and because company policies and practices often create the conditions that lead to driver fatigue.

How do electronic logging devices help prove driver fatigue?

Electronic logging devices automatically record driving time by connecting to truck engines. These devices provide objective evidence of whether drivers violated hours-of-service regulations and whether they had adequate rest before crashes occurred.

What signs indicate a truck driver might be drowsy?

Warning signs include lane departures, weaving between lanes, inconsistent speed, delayed reactions to traffic conditions, and near-misses with other vehicles or roadside objects.

How long do I have to file a lawsuit after a truck accident in Pennsylvania?

Pennsylvania gives you two years from the accident date to file most personal injury lawsuits. Acting promptly helps preserve crucial evidence like electronic data from trucks that might be destroyed if too much time passes.

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