Editor's Note: This story was updated at 11:35 a.m.
A multi-vehicle accident on Interstate 79 Southbound near the Canonsburg exit that shut the roadway down to one lane has been cleared, a state Department of Transportation spokeswoman said.
"There are cars out there all over the place," a 911 supervisor confirmed.
It was not immediately known if there were injuries in the crash.
Check back with Patch for more details as they become available.