A semi driver died in a crash in Dubuque County on Friday morning.
The Iowa State Patrol says the semi was northbound on Highway 151 and lost control on the curve of the ramp to Highway 61 northbound.
The semi rolled and the driver, 54-year old David Attebery of Rialto, California, was ejected. Authorities say he was not wearing his seatbelt.
The accident remains under investigation.