GREENFIELD, Wis. - The Milwaukee County Sheriff's Office on Saturday morning, Sept. 5 responded to a report of a one-vehicle crash on I-43.
Authorities said the vehicle crashed into the median wall on westbound I-43 near Forest Home Avenue just after 5 a.m. Its driver -- a 52-year-old man -- was unresponsive.
The Greenfield Fire Department attempted life-saving measures, but the driver was pronounced dead at the scene.
Preliminary indications, sheriff's officials said, suggest that the crash might have been related to a medical emergency. The investigation into the incident is ongoing.