@dleeowen, Here's some information on Getting around Mayo Clinic in Rochester, MN including a Campus Map you can download and print out - https://www.mayoclinic.org/patient-visitor-guide/minnesota/getting-around. This information is on the Campus Maps brochure:

A free, wheelchair-accessible, patient/visitor shuttle runs continuously between the Gonda Building and Mayo Clinic Hospital, Saint Marys Campus.
Hours • 6:45 a.m. to 5:30 p.m., Monday through Friday
Departure and arrival locations
• Gonda Building, main entrance
• Saint Marys Campus, Mary Brigh Building, main entrance
Some hotels and motels have shuttle service to and from the Gonda Building, Saint Marys Campus and Methodist Campus.