The rig failed to stop as it was traveling southbound on the Blue Route near mile maker 11.2 and crashed through a guardrail into the northbound lanes around 5 p.m. Friday, Aug. 12, according to the Radnor Fire Company.
The truck struck another tractor-trailer before one of them hit a third semi that was heading north, fire officials said. The wreck blocked all of the northbound lanes.
The tractor-trailer driver who crashed through the median was rushed to a local hospital, where he died, officials said.
The drivers and passengers of the other vehicles suffered minor injuries, authorities added.
The road was reopened around 4:30 a.m. Saturday, Aug. 13, 6abc reports.
Click here to follow Daily Voice Drexel Hill-Upper Darby and receive free news updates.