St. Charles County, MO — April 16, 2025, One person was injured following a car accident that occurred at around 11:00 P.M. on I-64.

An investigation is underway following a car accident that left one person injured during the evening hours of April 16th. According to official reports, a Chevy Cruze operated by a 21-year-old man was traveling on I-64 in the westbound lanes, when for unknown reasons the vehicle lost control and left the roadway and struck a guardrail followed by a post and overturned.

When first responders arrived on the scene, they found that the driver had sustained serious injuries and he was transported to the hospital for treatment. At this time there has been no further information released from the accident, including the identity or status of the driver's injuries, however this remains an ongoing investigation and more details may be released by authorities in the future.

Commentary by Attorney Michael Grossman

When a vehicle leaves the roadway, strikes multiple fixed objects, and ultimately overturns—resulting in serious injuries to the driver—there’s clearly more going on than a simple loss of control. In this case, where a Chevy Cruze struck a guardrail and a post before overturning on I-64, it's essential to move beyond speculation and begin asking the three critical questions that guide every thorough crash investigation: Did the authorities conduct a complete and detailed investigation? Has anyone considered whether a vehicle defect may have contributed to the loss of control? And has all of the vehicle’s electronic data been collected?

First, we must consider the quality of the investigation. A single-vehicle crash involving multiple impacts and a rollover deserves a careful reconstruction to understand the sequence of events. Investigators should be examining tire marks, roadway conditions, the trajectory of the vehicle, and any external factors—such as visibility, obstacles, or vehicle positioning—that may have contributed. Overturning after impacting a guardrail and post isn't just a matter of bad luck; it may point to how the vehicle handled or responded under stress. A proper crash scene analysis is the only way to determine whether the driver had a chance to recover or whether the incident was unavoidable from the moment control was lost.

Second, the possibility of a vehicle defect should not be overlooked. Modern vehicles like the Chevy Cruze rely on numerous electronic systems for steering, braking, and stability. A sudden failure in any one of these systems can cause a complete loss of control. Additionally, if a tire blew out or if the suspension system malfunctioned, the vehicle may have reacted in a way the driver couldn’t correct. Defects aren’t always immediately visible, and they require a technical investigation to uncover—something that typically doesn't happen unless someone insists on it early in the process. Too often, mechanical issues are left unexplored simply because no one thought to ask.

Lastly, the role of electronic data is crucial. The Chevy Cruze likely contains an electronic control module (ECM) that stores valuable information about the vehicle’s behavior in the seconds leading up to the crash. Speed, throttle input, brake application, steering input, and more can be captured by the ECM and provide a fact-based record of what actually occurred. If the data shows a sudden loss of input or irregular system behavior, that could change the narrative entirely. But this data must be collected quickly, before it’s lost or overwritten. Investigators should also consider any nearby surveillance cameras, dashcams, or phone-based GPS data that might help reconstruct the moments before the crash.

A crash that leaves someone seriously injured after multiple impacts and a rollover is not something to gloss over. It demands a full accounting—of how the crash unfolded, whether the vehicle systems functioned as expected, and what the digital record says about the incident. Only by asking the right questions, gathering the right evidence, and keeping an open mind can we hope to deliver the clarity and accountability that every serious crash investigation requires.