East Medical Center Drive is a half-trapezoid-shaped street running between Observatory St. and Fuller Rd. in Ann Arbor, notably circumscribing the UM Hospitals.
Two major public parking lots spring out of the west side of East Medical Center Drive, about halfway around between Fuller and Observatory. The lots are huge and usually packed. Costs are $2/1st hour and $1/subsequent hours, unless you are a legitimate patient or visitor of the Hospitals complex and can get your parking card stamped. In that case, the maximum charge is $2. "Blue" and "Gold" parking lots are also available, for those with University "hunting permits".
Dorms are close to the eastern side of East Medical Center Drive. Many University and AATA buses run along the street, so be prepared to stop frequently and carefully if you drive down it.