From Chicago, Fort Wayne, Indianapolis and South Bend:
Exit I-65 at Exit 172 and proceed west (toward Lafayette) on South Street. Proceed four miles to West Lafayette. (Be sure to follow the state Route 26 signs carefully. At the intersection with Main Street, state Route 26 will jog one block north and become Columbia Street.) When you cross the Wabash River you are in West Lafayette and are now on State Street. Proceed to the fourth traffic light and turn right on Grant Street. The Grant Street Parking Garage (PGG on campus map) will be 1/2 block on your right.
From Champaign, Crawfordsville, St. Louis and Terre Haute:
Exit I-70 (Exit 41) or I-74 (Exit 34) on U.S. 231 North. When you cross the Wabash River, you are in West Lafayette. At the third light, turn left on State Street. At the second traffic light, turn right on Grant Street. The Grant Street Parking Garage (PGG on campus map) will be 1/2 block on your right.