Alumni are encouraged to park for free in the University garage at the corner of 55th Street and Ellis Avenue.
Shuttles will transport you from the garage to Alumni House and campus events.
All campus lots and garages (except the Medical Center garage) are free of charge Thursday after 4:00 p.m. and all day Friday, Saturday, and Sunday of Alumni Weekend.
You can obtain maps and driving directions to campus at http://maps.uchicago.edu.