LECLAIRE, Scott County, Iowa, Sept. 23, 2026 — A woman died and four other people, including three children, were left in critical condition after a semi-truck collided with two cars near Leclaire, Iowa. The crash happened Tuesday evening, September 22, according to the Scott County Sheriff's Office.
Deputies said the crash occurred around 6:30 p.m. near South Cody Road and West Canal Shore Drive. A semi-truck traveling south on South Cody Road reportedly collided with two cars headed north, deputies said.
One of the cars ended up briefly lodged under the truck's trailer, according to the sheriff's office. The driver of that car, an 18-year-old woman, was taken to a hospital in critical condition.
The driver of the second car, a 32-year-old woman, died at the scene. Three children who were riding in that car were flown or driven to Iowa City in critical condition. The truck driver was not injured, according to the report.
The sheriff's office said the cause of the crash has not been determined and the investigation is ongoing. We offer our deepest sympathy to the family of the victim.
Why Crashes Between Trucks and Passenger Cars Cause So Much Harm
A loaded semi-truck can weigh 20 to 30 times more than a passenger car. When the two collide, the difference in mass means the car absorbs most of the force and most of the change in speed, while the truck slows very little. The closing speed between a truck heading one direction and a car heading the other adds both vehicles' speeds together at the moment of impact, which is part of why head-on and near head-on collisions between mismatched vehicles produce such severe outcomes.
Passenger cars are built with crumple zones designed to absorb impact from another vehicle of similar size and weight. Those structures are quickly overwhelmed when the striking object is a truck trailer or cab, which sits higher and rides on a rigid frame. That mismatch in height and stiffness is why cars can end up pinned or lodged underneath a trailer instead of being deflected away from it.
In crashes this serious, the time it takes emergency crews to arrive, extricate anyone trapped, and get patients to a hospital capable of treating severe trauma can matter as much as the crash itself. Rural highway intersections, like the one in this case, often mean longer response times than in a city, and that gap can affect outcomes for people with critical injuries. According to the National Highway Traffic Safety Administration, one person was killed every 13 minutes in traffic crashes in 2023.
Frequently Asked Questions
What should families do after a fatal crash?
Families can request a copy of the official crash report from the investigating agency once it's finalized, which typically includes basic facts about the crash. It can also help to keep records of any communication with law enforcement or the medical examiner's office.
How are fatal crashes investigated?
Investigators typically document the scene, interview witnesses and drivers, examine vehicle damage, and may use data from onboard systems or nearby cameras. In cases involving a commercial truck, the vehicle's inspection and maintenance records are often reviewed as well.
How long do fatal-crash investigations take?
Timelines vary widely. Straightforward cases may close within weeks, while crashes involving multiple vehicles or unclear causes can take months as agencies gather toxicology results, mechanical inspections, and reconstruction data.
What role does impairment play in fatal crashes?
Impairment from alcohol, drugs, or fatigue is a factor in many fatal crashes nationally, but whether it played a role in any specific case depends on toxicology and investigative findings that are usually not available right away.
What to Do After a Semi-Truck Crash in Leclaire, Iowa
If you're involved in or witness a crash involving a commercial truck, call 911 immediately and stay clear of traffic while waiting for help. Even if you feel fine, ask to be evaluated by paramedics, since injuries from a truck collision aren't always obvious right away.
Get the names and badge numbers of responding officers and ask how to obtain the official report once it's completed. If you're a passenger or bystander who witnessed what happened, offer to give a statement while details are fresh, since that account can matter later in the investigation.
Take care of your own well-being in the days after, whether that means following up with a doctor, resting, or leaning on family and friends. Crashes involving large trucks can be frightening even for those who walk away, and it's normal to need time to process what happened.