Sioux Falls, SD – A devastating accident on Interstate 29 has claimed the life of a 59-year-old man from Sioux Falls, sending shockwaves through the local community. The fatal crash occurred on the evening of June 17, 2025, in a construction zone near Mile Marker 79, and involved a semi-truck and a passenger vehicle.
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Deadly Collision in a Construction Zone
According to the South Dakota Department of Public Safety, the victim was driving a 2008 Lexus IS250 northbound on I-29 when tragedy struck. At the same time, a 2024 Freightliner Cascadia semi-truck, hauling double trailers, was navigating the same stretch of highway through a designated construction zone.
As the semi passed through the narrow corridor, one of its trailers struck a concrete barrier. This sudden impact caused the rear trailer to swing violently into the next lane—directly into the path of the Lexus. The collision was catastrophic. The trailer landed on top of the sedan, crushing it beneath tons of metal.
Emergency Response and Traffic Disruption
Both vehicles were pushed into a nearby ditch following the impact. Emergency responders—including EMTs, firefighters, and law enforcement—arrived within minutes, but tragically, the driver of the Lexus was pronounced dead at the scene. The semi-truck driver survived the crash and is cooperating fully with investigators.
The severity of the crash prompted authorities to close I-29 between 12th Street and West Madison Street for several hours. Crews worked through the night to clear debris and investigate the scene, causing significant traffic delays and detours across Sioux Falls.
Investigation Underway: Safety in Construction Zones Under Scrutiny
The Major Accident Investigation Unit of the Metropolitan Police Department is currently leading the inquiry. Investigators are reviewing surveillance footage, dashcam video, and witness statements to determine what caused the trailer to swing out of control.
Authorities are also examining the role of road design, visibility, vehicle speed, and the semi-truck’s maneuvering within the construction zone. As of now, no citations have been issued, and the victim’s identity is being withheld pending family notification.
A Community in Mourning
The loss has deeply affected the residents of Sioux Falls, a close-knit community where tragedies like this resonate far and wide. Friends and family of the victim have taken to social media to share memories, express condolences, and call for safer highway conditions.
“He was a hardworking, kind-hearted man who didn’t deserve to go like this,” one friend shared on Facebook. “His absence leaves a hole in all of our hearts.”
Construction Zones: A Growing Safety Concern
This tragic incident has renewed calls for heightened safety protocols in construction zones. These areas pose unique hazards, especially when heavy commercial vehicles operate in close proximity to everyday motorists.
Transportation officials and road safety advocates urge drivers to reduce speed, stay alert, and follow posted signs when navigating construction zones. Tragedies like this underscore the life-and-death consequences of even a moment’s miscalculation.
Funeral Arrangements and Community Support
Funeral details for the victim are expected to be announced in the coming days. In the meantime, local residents are organizing vigils and offering support to the grieving family. As Sioux Falls mourns this devastating loss, community members are unified in their commitment to help the family through this painful time.
Final Thoughts: Road Safety Is a Shared Responsibility
The crash that claimed the life of a 59-year-old Sioux Falls man is more than just another statistic—it’s a powerful reminder that every life matters and that safety on our roads is a shared responsibility. Whether you’re driving a compact car or a massive freight truck, awareness, caution, and respect for others on the road are essential.
Let this tragedy not be in vain. May it spark serious conversations and lasting improvements in construction zone safety across South Dakota and beyond.
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