Two people died after a tractor-trailer and a truck collided into each other Thursday night on I-81 in Frederick County, according to Virginia State Police.
At about 8 p.m., the driver of a car was trying to merge onto I-81 in the southbound lanes and “failed to yield to traffic,” according to police. The car was hit by a tractor-trailer.
The tractor-trailer then swerved off the interstate, drove through the median and crashed into a truck headed northbound that had oxygen tanks…