A Dubuque man has died following a one-vehicle accident Tuesday afternoon in Jones County. The Iowa State Patrol says that 45 year old Daniel Power was killed when the vehicle he was driving south on Highway 136 near 190th street went onto the right shoulder. Power over corrected which caused him to lose control of the vehicle. The vehicle entered the east ditch and rolled several times. Power was ejected from the vehicle. The accident remains under investigation by the Iowa State Patrol.