Summit County Sheriff's Captain Andrew Wright told KPCW "thousands of bees" swarmed the crash site after beehives spilled out of the trailer.
One eastbound lane on the interstate is closed a couple miles east of the Silver Summit junction a little before 11 a.m.
According to an update from the Utah Department of Transportation, the accident is expected to be cleared a little before 1 p.m.
According to the Park City Fire District, traffic continued to flow smoothly through the area, but the rail trail is closed through the canyon.

Credit Park City Fire District