Driving alongside large trucks can be daunting, especially in heavily trafficked areas like Los Angeles and San Francisco. Visibility limitations can matter in a truck collision in California. A blind spot is an area the driver may not be able to see adequately from the driving position. This guide is not a statistical ranking of crash causes. A collision involving a large truck can cause serious harm; its cause and severity must be evaluated from the actual event. This post will explain why blind spot truck accidents happen and what you can do to avoid them.
Why Blind Spot Truck Accidents Happen
Blind spots, also known as “No-Zones”, are large areas around a truck where the driver cannot see other vehicles through mirrors or windows. These areas are significantly larger than those of passenger vehicles, increasing the risk of accidents. Here are the key reasons why blind spot truck accidents occur:
- Size and Length of Trucks
Trucks vary in configuration, length, load and equipment. Visibility limitations can exist in front, behind and along the sides. Evaluate the actual tractor, trailer, mirrors and cameras rather than assume a single blind-spot diagram describes every vehicle. - Driver Visibility Limitations
Truck drivers sit much higher than the average motorist, which creates visibility challenges. Even with multiple mirrors, they cannot see vehicles close to their sides or rear. Drivers in small cars or motorcycles are particularly vulnerable because they can “disappear” into these blind spots. - Lane Changes and Turns
Blind spot accidents frequently occur during lane changes or turns. When truck drivers attempt to change lanes or make wide turns, they may not see smaller vehicles traveling next to them. This is particularly dangerous on crowded highways, such as Interstate 5 in California, where heavy traffic can limit a truck driver’s reaction time. - Driver Fatigue
Long hours on the road can lead to driver fatigue, reducing a truck driver’s ability to stay alert and check blind spots thoroughly before making a maneuver. Fatigued drivers are less likely to scan the road for other vehicles, leading to potentially fatal accidents. - Distracted Driving
Like any other driver, truck drivers can become distracted by mobile devices, food, or GPS systems. A moment of distraction can prevent them from properly checking their blind spots before making a move, increasing the likelihood of a collision.
Common Injuries in Blind Spot Truck Accidents
Because of the size and weight of commercial trucks, blind spot accidents can lead to severe injuries, including:
- Traumatic Brain Injuries (TBI): The impact of a truck colliding with a smaller vehicle can cause concussions or more severe brain injuries.
- Spinal Cord Injuries: These can result in partial or total paralysis, often requiring long-term medical care and rehabilitation.
- Broken Bones and Fractures: The force of the collision can cause broken bones, which may take months to heal.
- Internal Injuries: Internal bleeding and organ damage are common in serious accidents, requiring immediate medical attention.
- Whiplash and Neck Injuries: Even at lower speeds, the sudden impact of a sideswipe or rear-end truck accident can cause whiplash, which may lead to chronic pain.
Safety guidance and claim evidence serve different purposes
The FMCSA’s passenger-driver safety guidance explains blind spots, stopping distance, passing and wide turns. Those precautions do not, by themselves, decide fault in a past collision. Investigation must address each driver’s movement and opportunity to respond.
Avoiding Blind Spot Truck Accidents
While you can’t control how truck drivers operate, you can take certain precautions to minimize your risk of being involved in a blind spot accident. Here’s what you can do:
- Stay Out of Blind Spots
The most important rule is to stay out of the truck’s blind spots whenever possible. Remember, if you can’t see the truck driver’s face in their mirrors, they likely can’t see you. Avoid lingering beside a truck, especially on the right side. - Pass and Merge Safely
Follow lane rules and maintain a safe, lawful speed. Avoid lingering beside a truck, and leave ample room before merging ahead. Do not accelerate unsafely or cut in close to complete a pass. - Maintain a Safe Distance
Keep a safe distance both in front of and behind the truck. Trucks take much longer to stop than passenger vehicles, so tailgating puts you at risk of a rear-end collision if the truck needs to brake suddenly. Similarly, cutting in front of a truck can lead to a rear-end collision if the driver can’t stop in time. - Use Your Signals
Always use your turn signals early when driving near a truck. This gives the truck driver enough time to notice you and adjust their driving accordingly. Be predictable and avoid making sudden lane changes when driving near large trucks. - Be Cautious at Intersections
At intersections, be aware that trucks need extra space to make turns. Never try to squeeze in between a turning truck and the curb, as the truck may swing wide and collide with your vehicle. Give them plenty of space to complete their turn safely. - Stay Alert on Highways
Highways in California, like Highway 101 and I-405, are known for heavy truck traffic. Stay alert, especially in areas where trucks frequently change lanes or merge. Pay attention to brake lights, turn signals, and other indicators of a truck’s movements.
Understanding Your Legal Options and How Accident Attorneys Can Help
If you’ve been injured in a blind spot truck accident in California, you may be entitled to compensation for medical expenses, lost wages, pain and suffering, and other damages. However, determining liability in these types of accidents can be challenging, as multiple factors and parties may be involved.
At Weiss Attorneys, we understand how overwhelming the aftermath of a truck accident can be. Our experienced legal team is committed to helping you recover the compensation you deserve. We’ll handle all aspects of your claim—from determining liability and negotiating with insurance companies to representing you in court if necessary. Whether your accident occurred in Los Angeles, San Francisco, or anywhere else in California, we’re here to help you every step of the way.
Contact Weiss Attorneys today for a free consultation, and let us fight to get you the justice and recovery you need.
What if the truck driver says the vehicle was invisible?
Identify when the vehicles first came alongside each other, whether the truck was turning or changing lanes, and whether any available recording captures the approach. Preserve the complete file and note the camera’s position. Ask a witness what they could actually see; a person’s view from another vehicle does not necessarily establish the truck driver’s view. Our witness account guide and sideswipe sequence guide address these related evidence questions.
A blind spot is an issue to investigate, not an automatic defense
Identify the truck’s movement, the other vehicle’s position and the point at which a turn or lane change began. Mirror or camera configurations, original footage and physical evidence may help test the accounts. Preserve available dispatch, telematics and inspection records through appropriate requests. Do not assume that a company logo establishes employment or that being alongside a truck decides shared fault. Each participant’s conduct and opportunity to respond require a factual review.
Commercial vehicle claim investigation · Injury evidence checklist · Free consultation
Prepared by Weiss Attorneys. Updated October 13, 2026. General information; the facts, applicable law, insurance terms and deadlines require an individual review.


