A Guttenberg man has died following an accident in Dubuque County on Sunday. The Dubuque County Sheriff’s Office, Iowa State Patrol, and Key West EMS responded to an accident at Highway 151 and Monastery Road just before noon for a two vehicle accident with injuries. 83 year old Bonnie G. Tyler of Guttenberg was attempting to cross the southbound lanes of Highway 151 to go onto Monastery Road when she was struck broadside by a vehicle driven by 42 year old Jeremy Bahl of Marion, who was traveling southbound on Highway 151. Tyler and her husband, 84 year old Robert Tyler were both taken to Mercy Hospital for their injuries. Bahl refused medical attention. The Dubuque County Sheriff’s Office was notified early Wednesday morning that Robert Tyler had died at the hospital. The accident remains under investigation.