1 dead in tractor-trailer crash on I-476 that caused massive delay

At least one person was killed in a tractor-trailer crash Friday afternoon on I-476 in Delaware County that caused massive delays. 

The deadly rush hour crash happened around 5 p.m. when a tractor-trailer crossed the median and slammed into another rig. 

Official from PennDOT reported that a man was brought to a local hospital where he died. No other injuries were reported. 

As crews worked to clear the crash a massive back-up gathered for miles. 

The highway reopened around 8:30 p.m.