Idaho police say truck crossed line before causing deadly tour van collision near Yellowstone National Park

The pickup motortruck that collided with a circuit van adjacent Yellowstone National Park past week is to blasted for the crash, which near 7 radical dead, according to police.

Idaho State Police said a Dodge Ram pickup motortruck crossed the halfway enactment connected Highway 20 adjacent Henry's Lake State Park and deed the Mercedes circuit van, causing some vehicles to burst into flames. It is unclear what caused the motortruck to permission its lane.

"Crash reconstruction is ongoing, and ISP troopers are moving to find each contributing factors," authorities constabulary said connected Tuesday.

The operator of the motortruck and six of the 14 radical wrong the circuit van died successful the crash, constabulary said.

TOUR VAN CRASH NEAR YELLOWSTONE NATIONAL PARK LEAVES 7 DEAD, POLICE SAY

The operator of the pickup motortruck and six circuit van passengers died successful the fiery collision adjacent Yellowstone National Park past week. (Roger Merrill/TMX)

In summation to Idaho State Police, the National Transportation Safety Board is besides investigating the clang since it progressive a commercialized vehicle. 

"NTSB unit person visited the country and are reviewing evidence. While accusation is being shared betwixt ISP and the NTSB, each bureau is conducting its ain investigation," the ISP said.

Idaho authorities troopers responded to the tragic country astatine astir 7:15p.m. connected Thursday, which took spot astir 16 miles westbound of Yellowstone National Park successful Wyoming.

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Roger Merrill, a 60-year-old antheral who was driving location erstwhile helium saw the vehicles connected fire, told The Associated Press that bystanders were caring for the van survivors connected the broadside of the road until archetypal responders arrived.

First responders get astatine the country aft a deadly collision betwixt a pickup motortruck and circuit van adjacent Henry’s Lake State Park successful eastbound Idaho connected May 1. (Roger Merrill via AP)

"It took an unnervingly agelong clip for assistance to get conscionable due to the fact that of the location," Merrill said.

He besides said helium often sees tourer vans connected Highway 20 arsenic it leads to Yellowstone National Park.

The fatal clang happened successful eastbound Idaho, astir 16 miles westbound of Yellowstone National Park successful Wyoming. (Getty Images)

"We widen our deepest condolences to the families and loved ones of those mislaid successful this tragedy," ISP Sgt. Blake Higley said. "We are incredibly grateful to the passersby who stopped to assistance and to the archetypal responders whose speedy actions and teamwork aided those successful captious need. This was a challenging and affectional country for everyone involved."

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The road was closed for astir 7 hours portion archetypal responders and the Idaho Transportation Department managed the country and cleared the roadway.