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Team Coverage A multi-vehicle accident on I-15 northbound injured four people and posed a major problem for drivers this morning.
The wreck at 3000 South involved four vehicles, one of which is a semi truck.
Traffic stopped completely for a short time to allow for a medical helicopter to land. The lanes were opened one by one after that.
![Semi Rollover Injures Four, Ties Up Traffic on I-15](https://img.ksl.com/slc/264/26453/2645314.jpg?filter=kslv2/inline_lg)
Highway patrol is still investigating, but believes the driver of the semi truck hit his brakes and lost control when he approached slower traffic. That forced the semi into a concrete barrier, spilling his load of a clay mixture across the freeway.
Police say the semi's driver has a different account. "The semi driver verbally stated that a vehicle to his left cut in front of him as he slowed for traffic," UHP Trooper Vu Bowers said.
That vehicle the semi truck driver claims cut him off was a blue Geo Metro. Cleanup crews, along with the fire and hazmat crews, spent over two hours clearing the freeway of debris and fuel, while motorists squeaked by on a few open lanes.
![Semi Rollover Injures Four, Ties Up Traffic on I-15](https://img.ksl.com/slc/264/26453/2645313.jpg?filter=kslv2/inline_lg)
At its worst, backup up was all the way to 7200 south. Police diverted traffic to I-215 and surface streets.
In all, four people were injured, but none of their injuries were life-threatening. The driver of the Geo was airlifted to University Hospital, and the three others were transported by ambulance with minor injuries.
Two other minor accidents were reported; one may have involved a law enforcement officer who was trying to get to the major crash at 3000 South.