I-70 westbound was closed for about an hour near the Smithton exit in Hempfield Township after a crash involving a tractor-trailer Tuesday, according to Westmoreland County 911.
Dispatchers said a tractor-trailer lost its load around 5:30 p.m., and two other vehicles hit the debris.
Nobody was hurt.
State police reopened the road around 6:40 p.m.
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