A crash involving a truck is snarling traffic on Interstate 79 in Allegheny County Monday morning.

I-79 in Butler County was closed due to a multi-vehicle crash causing fatalities and investigations are ongoing.

At least one person has died in an 18-vehicle crash on Interstate 79 in Butler County, Pennsylvania State Police said Friday.

Pennsylvania State Police are investigating a deadly crash in the western part of the state on Interstate 79 some 25 miles north of Pittsburgh amid wintry conditions.

Pennsylvania State Police said several crashes occurred on Interstate 79 in the area of the Evans City and Zelienople exits.

An 18-year-old young man from Pittsburgh was killed and nine others were injured after a massive pileup on Interstate 79​.

Interstate 79 in Butler County is shut down in both directions due mulitple crashes, including one that is fatal.

State police are looking for a driver involved in a wrong-way crash on Interstate 79 in Pittsburgh.

Authorities say one person has died after nearly 20 vehicles were involved in several accidents on Interstate 79 on Friday.