Common Causes of Semi-Accidents and How to Avoid Them
November 11, 2025

Driving a semi-truck is no small feat, and with the immense responsibility comes certain risks. The roads can be a dangerous place, and with large, heavy vehicles like semi-trucks, the potential for accidents increases significantly. Understanding the common causes of semi-truck accidents and how to avoid them is crucial for ensuring the safety of truck drivers and other road users.


Prolonged Fatigue

One of the most common causes of semi-truck accidents is fatigue. Long hours on the road without adequate rest can lead to decreased alertness and slow reaction times. Despite regulations mandating rest periods, drivers may feel pressured to meet tight delivery schedules, contributing to the risk. Implementing strict adherence to hours-of-service regulations and promoting a culture of safety over speed within trucking companies can significantly reduce fatigue-related accidents.


Mechanical Failures

Another major cause of semi-truck accidents is poor vehicle maintenance. Mechanical failures, such as brake or tire issues, can have disastrous consequences when they occur on the road. Regular maintenance checks and prompt repairs are essential to ensure that trucks are in optimal working condition. It's worth noting that according to Consumer Shield, annually, the U.S. sees between 140,000 and 165,000 semi-truck accidents, with trucks involved in just 6% of fatal crashes. This statistic underscores the importance of maintaining a safe vehicle to prevent contributing to these numbers.


Unfavorable Weather Conditions

Adverse weather conditions also contribute to a significant number of semi-truck accidents. Rain, snow, and fog can drastically reduce visibility and road grip, complicating driving conditions. Truck drivers should be trained to handle such conditions and encouraged to exercise extra caution by reducing speed and increasing following distance. By preparing for these conditions and adapting driving techniques accordingly, drivers can mitigate many weather-related risks.


While semi-trucks are indispensable to commerce and the economy, minimizing their involvement in accidents is imperative. By addressing common causes such as driver fatigue, inadequate vehicle maintenance, and adverse weather conditions, we can create safer roads for everyone. Through proper training, strict adherence to safety regulations, and robust vehicle upkeep, we can significantly reduce the number of semi-truck accidents and ensure the safety of drivers and other road users. If you or someone you know has been involved in semi-accidents, make sure to get in touch with Peters & Nolan, LLC today!


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