Lewisville, TX — May 8, 2025, Meng Wang was injured in a single-vehicle accident at about 3:10 a.m. on southbound Interstate 35.

A preliminary accident report indicates that a 2021 Toyota Sienna drove into a crash cushion attenuator south of Hebron Parkway/Round Grove Road.

Driver Meng Wang, 36, was seriously injured in the crash, according to the report.

Authorities have not released any additional information about the Denton County crash.

Commentary by Attorney Michael Grossman

Those affected by a crash like this almost always find themselves looking for answers. When a vehicle veers off course in the middle of the night and strikes a highway barrier, it's natural to wonder how and why things unfolded the way they did. But while emergency responders do vital work at the scene, there are some deeper questions that can get missed in the process; questions that may make all the difference when trying to understand what really happened.

First, did the authorities thoroughly investigate the crash? This matters because the quality of the initial investigation often sets the tone for everything that follows. In a single-vehicle crash, especially one happening in the early hours of the morning, it’s easy to assume the driver simply lost control. But assumptions can leave important facts on the table. Were road conditions examined? Did investigators gather any witness statements or nearby surveillance footage? Was fatigue, distraction or a sudden obstacle considered? If these angles weren’t pursued with diligence, it may leave key parts of the story untold.

Next, has anyone looked into the possibility that a vehicle defect caused the crash? This is something most folks don't think about right away, but it's a crucial piece of the puzzle. For instance, if the vehicle’s steering or braking system failed, or if advanced driver-assist systems malfunctioned, that could explain why the car veered into a crash cushion. The 2021 Toyota Sienna is a relatively new model, and with newer vehicles, electronic and software issues can sometimes be at play. If no one has checked whether there were recalls, service bulletins or prior complaints about similar issues, then an important cause might be overlooked.

Finally, has all the electronic data relating to the crash been collected? Modern vehicles store a wealth of information — speed, braking, steering inputs and more — especially in the seconds leading up to a crash. Accessing this data can offer a nearly moment-by-moment account of what the vehicle was doing and how the driver may have responded. That kind of insight could confirm or challenge other parts of the investigation. But time is critical: if the data isn’t retrieved promptly, it can be lost, either through system overwrites or after repair work begins.

When all is said and done, asking the right questions after a crash isn't about placing blame; it's about making sure the full story is told. Whether for the person injured or those around them, understanding how and why a crash occurred is one of the first steps toward closure and, potentially, accountability.

Key Takeaways:

• Police investigations may not always explore all possible causes in single-vehicle crashes.
• Mechanical or software issues in newer cars like a 2021 Toyota Sienna can sometimes be the real culprit.
• Onboard vehicle data can provide critical insights, but must be secured quickly.