Troopers say the crash involved a tractor-trailer and a sedan.
UPPER MACUNGIE TWP., Pennsylvania (WPVI) -- Pennsylvania State Police are investigating a fatal crash on I-78 West in Lehigh County on Sunday.
Officials say it happened around 1:30 p.m. near mile marker 47.6 in Upper Macungie Township.
Troopers say the crash involved a tractor-trailer and a sedan.
One fatality was reported in the collision.
The westbound lanes of the highway were initially closed due to the crash, but have reopened as of 6 p.m.
Officials have not released any further information on the incident.
There is no word yet on the victim's identity.