Man trapped after wreck on Route 528 The Unionville Volunteer Fire Company and Slippery Rock Fire Company responded to a single-vehicle crash on Route 528 Wednesday morning. The roof of a car, as well as its passenger and driver doors, had to be ripped open to free a man trapped inside. Courtesy of Nathan Wulff The roof of a car, as well as its passenger and driver doors, had to be ripped open Wednesday morning to free a man trapped inside. The Unionville Volunteer Fire Company and Slippery Rock Fire Company responded to re...