You can get in the parking lot about 4pm,but can't get in until 5pm.Donors are allowed in at 430pm and general public at 5pm,i work security there for an outside contractor doing searches of patrons belongings,I'm usually at the north or east gate.
The gates open at 5pm, you can definitely get in line early but you shouldn't have any issues getting a spot if you don't make it before 5
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