Can Driver Fatigue Cause Semi-Truck Accidents?

Yes, driver fatigue is a major factor in many semi-truck accidents. It often causes slower reaction times, poor judgment, and even moments when drivers fall asleep behind the wheel. This condition can impair a driver’s ability much like alcohol does, often leading to serious or even fatal collisions. Although federal rules are in place to limit driving hours, constant delivery pressures and disregard for rest periods still make fatigue a recurring danger on the road. 

Although federal rules are in place to limit driving hours, constant delivery pressures and disregard for rest periods still make fatigue a recurring danger on the road. If you’ve been affected by a serious crash, here’s what you need to know after a truck accident.

At Milanfar Law Firm, PC, we’ve witnessed how exhaustion behind the wheel of a big rig can devastate lives across Walnut Creek, CA.

Understanding the Risks of Truck Driver Fatigue

Truck drivers spend long, demanding hours on the road, often traveling monotonous routes that reduce focus and alertness. Fatigue affects both the body and mind. Exhausted drivers tend to have slower reflexes, weaker attention spans, and trouble making quick decisions, which can have deadly results when driving massive commercial vehicles. Even brief lapses, known as microsleeps, just a few seconds of involuntary sleep, can send a truck veering into another lane or off the road entirely.

The brain’s ability to process information and react to hazards dramatically reduces when exhaustion takes over. In many ways, the impairment mirrors that of alcohol intoxication. It’s one of the most overlooked yet dangerous risks in commercial trucking.

How Fatigue Contributes to Semi-Truck Accidents

Drowsy driving leads to countless types of crashes. Rear-end impacts, drifting out of lanes, and running off the highway are among the most frequent. The sheer weight and size of trucks make these accidents particularly catastrophic.

Data from the NHTSA shows that drowsy-driving accidents:

1. Most often happens between midnight and 6 a.m., or in the late afternoon when the body’s internal clock naturally dips.
2. Typically involves one driver traveling alone, leaving the road at high speed without signs of braking.
3. It commonly occurs on long, rural stretches where monotony can quickly lead to fatigue.

These findings highlight how rest and rule compliance are essential in preventing these tragedies.

Warning Signs of Driver Fatigue on the Road

Spotting the early signs of drowsiness can make all the difference. The California Office of Traffic Safety notes common warning signs such as:

• Repeated yawning or heavy blinking
• Wandering thoughts or daydreaming
• Forgetting recent miles driven
• Missing exits or traffic signs
• Drifting within or out of lanes

When these symptoms appear, the safest option is to pull over and rest. Trying to “push through” tiredness often leads to irreversible consequences.

Shahrad Milanfar

Partner – Personal Injury Attorney

Shahrad is an experienced Oakland trial lawyer and mediator focused on catastrophic injury, civil rights, and product liability. He recently secured a $32 million verdict, showcasing his ability to win complex cases. With expertise in brain injuries, paralysis, and wrongful death, he’s known for being a powerful advocate and storyteller in court.

Free case consultation call us at (925) 592-1625

Federal Regulations Addressing Truck Driver Fatigue

The Federal Motor Carrier Safety Administration (FMCSA) enforces Hours of Service (HOS) regulations to reduce fatigue-related dangers. These rules cap how long drivers can operate without taking required breaks. For instance, drivers may operate for up to 11 hours after 10 consecutive hours off duty, and must take a 30-minute rest after eight hours of driving.

While these laws are meant to protect everyone on the road, violations are common. Some trucking companies pressure drivers to meet unrealistic deadlines, encouraging them to skip rest or falsify logs. When these violations occur, the driver and the company can be held liable for accidents.

Legal Liability in Fatigue-Related Truck Accidents

Assigning responsibility in a fatigue-related crash requires a detailed investigation. Liability may fall on the driver, the trucking company, or others involved in scheduling or oversight. A company that ignores safety rules, fails to monitor hours, or prioritizes profits over public safety can be held accountable.

Victims of these collisions often face devastating injuries, spinal trauma, brain injuries, and lifelong disabilities among them. A successful legal claim can cover medical care, lost wages, pain and suffering, and more. Working with an attorney ensures evidence like driver logs, GPS data, and dispatch records are properly examined to prove negligence.

At Milanfar Law Firm, PC, we dedicate our efforts to uncovering every detail that shows how fatigue led to an accident and securing justice for our clients.

Contact Milanfar Law After a Semi-Truck Accident

Fatigue-related truck crashes leave lasting scars, physical, emotional, and financial, and their effects can ripple through every part of a person’s life. If you or someone close to you has been injured in a semi-truck accident in Walnut Creek, CA, our compassionate team at Milanfar Law Firm, PC, is ready to stand by you. 

We offer attentive guidance, clear communication, and strong advocacy to hold negligent parties accountable and help you rebuild your life. Call us today at (925) 433-6003 to discuss your case and discover how we can help you take the next step toward recovery.