Commercial vehicle safety inspectors and police survey the wreck of a semi tractor trailer rig that flipped on south Cedar Road in North Oyster Monday. Police at the scene said the northbound truck went out of control rounding a sharp corner at about 6:30 a.m., but they were still investigating the factors leading to the crash. The driver of the rig was taken to hospital with injuries. The road was blocked for more than two hours until the wreck was cleared.