From Interstate 80 East or Interstate 80 West.
Turn south at Exit 90 (0.3 miles) to enter Ottawa. Travel south on Illinois 23 (2.0 miles) to Lafayette Street (north side of Washington Square). Turn left on Lafayette Street. The Reddick Mansion is on the northwest corner of Lafayette and Columbus Streets.
Travel north or south to Interstate 80. Exit onto Interstate 80 in order to travel to the east. Travel east on Interstate 80 to exit 90. From Interstate 80, turn south at exit 90 (0.3 miles) to enter Ottawa. Travel south on Illinois 23 (2.0 miles) to Lafayette Street (north side of Washington Square). Turn left on Lafayette Street. The Reddick Mansion is on the northwest corner of Lafayette and Columbus Streets.
From Interstate 39 North or Interstate 39 South