UPDATE @ 9:35 P.M. Oklahoma Highway Patrol say the driver of the motorcycle, 42-year-old Shannon Lamb drifted into the left lane, for no known reason, before striking the dump truck. Lamb was pronounced dead at the scene of the crash. According to OHP, he was not wearing a helmet. The driver of the dump truck was not injured. ORIGINAL STORY PAYNE COUNTY, Okla. (KFOR) — One person is dead after a crash Tuesday afternoon in Payne County. According to Oklahoma Highway Patrol, authorities responded to a fatal crash involving a motorcycle and dump truck on Highway 33 near South Stiles and West Main Pl. The cause of the crash is under investigation. This is a developing story.