Phoenix, AZ (August 7, 2025) – A serious chain-reaction collision involving a rollover sent two people to the hospital Wednesday afternoon after a multi-vehicle crash unfolded on State Route 51 in north Phoenix. The incident occurred just after 12:30 p.m. in the northbound lanes near 32nd Street, north of Piestewa Peak.
According to the Arizona Department of Public Safety (DPS), the crash began when a vehicle experiencing engine trouble began slowing in traffic. A Ford pickup truck traveling behind the disabled vehicle was unable to stop in time and collided with it. Moments later, a GMC Terrain SUV struck the pickup, rolling several times before coming to a stop.
Emergency crews responded quickly to the scene and began treating the injured. One individual in the SUV suffered life-threatening injuries, while another person sustained serious trauma as a result of the collision. Both victims were transported to a nearby hospital for further medical care.
The crash forced the closure of the three right lanes on SR-51 northbound as authorities conducted a full on-scene investigation and cleared the wreckage. Traffic backups extended for miles during the afternoon commute, with lanes reopening shortly before 4:00 p.m.
We extend our thoughts and best wishes to the individuals injured in this serious incident and hope for a full and swift recovery.
Chain-Reaction and Rollover Crashes in Arizona
Chain-reaction crashes, especially those involving rollovers, are among the most dangerous types of roadway incidents in Arizona. Wednesday’s collision on SR-51 near 32nd Street serves as a powerful reminder of how quickly a traffic slowdown can escalate into a life-threatening situation.
When a vehicle suddenly loses power or slows due to mechanical failure—such as in this case—the following drivers must be able to react immediately. In heavy freeway traffic, however, reaction time is reduced, increasing the likelihood of multi-vehicle collisions. Rollovers, like the one involving the GMC Terrain, often occur when a vehicle strikes another at an angle or swerves to avoid impact at high speed.
Rollover crashes are particularly hazardous because they often result in ejection, head trauma, or spinal injuries, even when seat belts are used. Life-threatening injuries require fast response and often long-term recovery support. In Arizona, victims of these crashes may seek compensation for medical expenses, lost wages, and long-term rehabilitation—especially when another party’s negligence contributed to the crash.
In this case, mechanical failure played a key role, raising questions about vehicle maintenance and responsibility. Investigators will examine whether driver error, faulty equipment, or unsafe following distance led to the catastrophic outcome.
For drivers across Phoenix, this incident highlights the importance of maintaining a safe distance, staying alert in slowing traffic, and ensuring vehicles are in good working condition—particularly when navigating high-speed corridors like SR-51.
If you or a loved one has been injured in a chain-reaction or rollover crash in Arizona, Local Accident Reports can help guide you through your recovery process. We connect you with trusted resources and provide the tools you need to understand your legal options and get the support you deserve. Contact us today to start moving forward with confidence.
