PennDOT is advising motorists that starting late Thursday, a superload being transported from West Milton, New York to Wampum, Pennsylvania is expected to travel through portions of Venango and Mercer counties.

The transport will continue its journey after 10:00 pm on Route 322 near the border of Clarion and Venango counties to Route 62 in Venango County to Route 173 in Mercer County to Interstate 80 into Ohio.

This is part of a more than 400-mile journey across the state. The superload is 213 feet long and weighs 294 tons.

The superload will move as a rolling slowdown using two traffic lanes, which will result in traffic stoppages and travel delays.