YOUNGSTOWN — More than $137 million in road construction projects are planned in the Mahoning Valley this year, with detours, ramp closures and permanent traffic changes expected across the region. Ohio Department of Transportation officials outlined the projects Tuesday during a District 4 construction kickoff event downtown, where they said drivers should expect significant impacts, particularly along Interstate 680 and key corridors in Boardman, Austintown and Howland. “The work we do is essential, but it also carries real risks both for our crews, the construction industry ...