Abstract: Employee #1, a truck driver/lowboy operator, was assigned to load a roller compactor onto a lowboy trailer and transport the equipment to a storage place. After arriving at the loading point, a residential development where the roller had been used to compact asphalt, Employee #1 disconnected his truck tractor from the lowboy trailer and loaded the equipment. During the loading operation, the roller overturned off the edge of the trailer. Employee #1 was working alone and unsupervised. He was not wearing a seat belt and was struck and killed by the equipment's rollover protection system (rops).