The operator of a tractor-trailer was only slightly injured Thursday morning after he rolledhis rig along Interstate 80 in Kidder Township. The crash occurred along the eastbound lanes at mile marker 182.2. The driver lost control with the rig entering the center medial and dense trees rolling it onto its side. The eastbound lanes were reduced to one lane at the scene while cleanup occured. State police at Fern Ridge are investigating the incident.