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The impact of driver fatigue on trucking safety

On Behalf of | Feb 20, 2025 | Motor vehicle accidents

Truck drivers log countless miles, often traveling between states, to deliver goods. Companies expect on-time delivery and cargo in good condition. However, this demanding job comes with inherent risks.

Beyond typical hazards like mechanical problems, driver fatigue poses a significant threat. This fatigue not only endangers the truck driver but also everyone else sharing the road. It’s often a silent killer on highways that puts everyone at risk.

The risks of driver fatigue

Long-haul truck driving is a profession filled with challenges that can lead to dangerous levels of fatigue. Here are some key factors that contribute to this risk:

  • Irregular schedules: Drivers often work unpredictable hours, which disrupts their natural sleep patterns.
  • Extended hours: The nature of the job can require long periods behind the wheel.
  • Limited physical activity: Hours of sitting can make it harder to stay alert.
  • Poor diet: Access to healthy food is often limited on the road.
  • Chronic stress: Tight deadlines and traffic can take a toll on mental health.

These factors can result in slower reaction times, impaired decision-making, and even “microsleeps.” Microsleeps are brief, involuntary episodes of unconsciousness. These conditions greatly increase the risk of accidents, especially for smaller vehicles.

When a tired truck driver is on the road, even small mistakes can have devastating consequences, potentially leading to severe injuries or fatalities.

Federal regulations that combat driver fatigue

Because driver fatigue is so widespread among those operating a truck, the Federal Motor Carrier Safety Administration (FMCSA) seeks to reduce accidents and improve highway safety. The administration has created strict Hours of Service (HOS) regulations that can help prevent fatigue-related crashes.

These rules aim to make sure drivers get enough rest and stay alert on the road. Trucking companies must follow these key regulations:

  • Driving limits: Drivers are limited to 11 hours of driving after 10 consecutive off-duty hours. This helps keep a balance between work and rest.
  • Break times: Drivers must also take a mandatory 30-minute break after 8 hours of driving, giving them a chance to refresh and recharge.
  • Weekly hour limits: The FMCSA also enforces 60/70-hour limits over 7-8 consecutive days, preventing excessive weekly work hours.

The maximum 70 hours in a 7-day period means a driver cannot drive again until they have had at least 34 consecutive hours (over a day and a half) off-duty. Such a rule prevents drivers from becoming dangerously tired by working too many hours in a week.

Why it’s important to limit trucking hours

These regulations are crucial for highway safety. Trucking companies and drivers must prioritize them—not just as legal requirements, but as life-saving measures. When they disregard these rules, they become liable for the resulting accidents.