1 Injured in Car Accident on MO-21 in Washington County, MO

Washington County, MO — April 28, 2025, One person was injured following a car accident that occurred at around 5:55 P.M. on MO-21.

An investigation is underway following a car accident that left one person injured during the morning hours of April 28th. According to official reports, a Ford Explorer was traveling on Missouri 21 in the northbound lanes near Old 21 Road, when the driver was reportedly distracted and struck the rear of a Lincoln MKX that was traveling in front of him causing it to go off-road and overturn.

When first responders arrived on the scene, they found that the driver of the Lincoln, a 49-year-old woman, had sustained serious injuries and she was transported to the hospital for treatment. At this time there has been no further information released from the accident, including the identity and status of the Lincoln 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 one vehicle rear-ends another and causes it to overturn, especially resulting in serious injuries, the circumstances warrant closer scrutiny than a general claim of driver distraction. In these kinds of collisions—on high-speed roadways like Missouri 21—the investigation must be guided by three key questions that go beyond initial impressions to uncover deeper causes.

First, was a full and detailed investigation of the crash scene conducted? A rear-end impact that results in a rollover is unusual and suggests a significant difference in speed or vehicle mass. Investigators should evaluate the distance between the vehicles before impact, the speed of the Ford Explorer at the time of collision, and whether any evasive action was taken. The layout of the road, presence of traffic congestion, and any contributing environmental conditions—like glare or wet pavement—should also be considered. Understanding these factors is essential to determining not just what happened, but why the Lincoln was forced off the road with such force.

Second, has there been any examination of whether a mechanical or system failure contributed to the outcome? While the initial report cites distraction, it’s still important to rule out any issues with the Explorer’s braking system, electronic safety features, or stability control. Additionally, the Lincoln MKX’s response to being struck—from the performance of its rear crumple zone to the stability of its suspension—should be reviewed to assess whether it behaved as designed in the moments before it overturned. These are especially important questions in a crash involving serious injury and vehicle rollover.

Third, has all relevant electronic data been collected from both vehicles? The Ford Explorer and Lincoln MKX are both equipped with electronic control modules (ECMs), which store critical crash-related data—vehicle speed, throttle input, braking effort, and steering behavior in the seconds leading up to impact. That data can confirm whether the driver of the Explorer attempted to brake, how quickly the vehicles were moving, and whether there were any system responses that may support or challenge the distraction claim. Additional sources such as dash cams or traffic surveillance can also help clarify the sequence of events.

When a crash causes a vehicle to overturn and leaves a driver seriously injured, it’s essential that the investigation not rely solely on a single explanation. These three questions—focused on the crash scene, the condition and performance of the vehicles, and the availability of electronic data—are the foundation of a complete and accurate investigation. They ensure the facts—not assumptions—guide our understanding of what really happened.