I-80 Exit 81 Hazen CLOSED this weekend Thursday, June 2 by Marissa RigattiPresented by Tri-County InsiderJefferson County, PA - An eastbound Interstate 80 exit ramp in Jefferson County will be closed this weekend. PennDOT announced that the Exit 81 Hazen Eastbound ramps will be closed from 6:00 p.m. Friday, June 3rd through Sunday, June 5th for milling and paving.... Read More.