St. Louis, MO (February 20, 2026) – A four-vehicle crash with reported injuries occurred late Wednesday morning along Interstate 170 southbound just north of Airport Rd in St. Louis County. The collision happened at approximately 11:28 a.m. on Wednesday, February 18, and involved a 2019 Mazda CX-3, a 2015 Ford Fiesta, a 2014 Ford Escape, and a 2021 Volkswagen Jetta.
According to available information, the Mazda CX-3 struck the rear of the Ford Fiesta before hitting the side of the Ford Escape. The impact pushed the Fiesta into the side of the Volkswagen Jetta. All four vehicles were traveling southbound at the time of the crash.
The Mazda sustained total damage and was towed from the scene. The Ford Escape suffered extensive damage, while the Ford Fiesta had moderate damage. The Volkswagen Jetta reported minor damage. All vehicles were removed by a towing service.
Several people were hurt in the collision. A 44-year-old woman from Saint Louis, who was driving the Mazda, was taken to a local hospital. The 40-year-old man driving the Ford Escape, along with a 38-year-old woman and a 58-year-old man who were passengers in the same vehicle, were also taken to the hospital. Their injuries were reported as minor. A 17-year-old female driving the Ford Fiesta and a 62-year-old woman driving the Volkswagen were not listed among those transported.
The incident remains under review by authorities. We are thinking of those injured as they receive medical care.
How Rear-End and Chain-Reaction Crashes Happen on Missouri Highways?
Multi-vehicle crashes are common on busy highways like Interstate 170, especially during late morning and afternoon traffic periods. When vehicles travel closely together at highway speeds, even a brief slowdown can trigger a chain reaction. A rear-end impact may force one vehicle forward into another, increasing the number of cars involved within seconds.
Rear-end crashes often occur due to sudden braking, distracted driving, or limited following distance. On multi-lane interstates, side impacts can also happen when a vehicle is pushed out of its lane after the initial collision. These types of accidents frequently lead to injuries ranging from minor pain to more serious harm, particularly for occupants in vehicles that sustain heavy or total damage.
Drivers can reduce the risk of chain-reaction crashes by maintaining a safe following distance, staying alert to traffic flow changes, and adjusting speed based on road conditions. Extra space between vehicles provides more time to react and may help prevent a single collision from escalating into a multi-car accident.