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Utah Highway Patrol
One person was killed and several others injured in a crash on I-80 Monday morning near Echo Junction that Utah Highway Patrol troopers estimated involved 20 to 30 vehicles.

ECHO, Summit County — A Missouri truck driver died and at least 16 others were injured in a 23-vehicle pileup on I-80 early Monday that is being blamed on icy roads.

The series of five chain-reaction accidents started about 7 a.m. in the westbound lanes near Echo Junction. Slick roads caused the crashes that kept piling up on each other, according to the Utah Highway Patrol. The majority of vehicles involved were semitrailers.

The first crash involved 12 semis and two passenger vehicles, according to the UHP. Over the next half-mile, there were four more series of crashes.

Troopers said Oscar Longoria, 61, of Barling, Missouri, was killed in the crash.

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Multiple ambulances and medical helicopters responded to the scene. One person was flown to McKay-Dee Hospital in critical condition, two were taken by ambulance to Park City Hospital with injuries that were not considered to be life-threatening, and 13 with minor or no injuries were transported by a school bus to a church in Coalville to stay warm, according to troopers.

Westbound I-80 remained closed through the afternoon, and troopers warned it wound "remain closed until further notice" as crews attempted to remove the remaining wrecked vehicles. Traffic was diverted onto Old Echo Road until shortly before 8 p.m. when all lanes re-opened.

UHP said none of the semitrailers involved in the crash were hauling hazardous materials.