At least 60 vehicles were involved in the series of wrecks.
Penn State Milton S. Hershey Medical Center received 10 patients. Three were in critical condition, three were moderate to severe, and four had minor injuries, hospital spokeswoman Megan Manlove said.
The accident happened at 9:30 a.m. at mile marker 7.5 and the interstate is shut down in both directions, state police said. Beohm confirmed a snow squall created whiteout conditions at the time of the wrecks.
Jardine said it took him 10 to 15 minutes to compose himself.
“I got out of my car and couldn’t believe what I was seeing,” he said. “It was carnage.”