While the official hours of TBOX are from 8 a.m. to 8 p.m. Saturday, security staff will work until 2 a.m. Sunday, according to a letter sent to neighborhood and business associations and provided by Festa Parties. An event command and control center will be based at Clark and Eddy streets. Additionally, traffic control aides will be stationed from 7:30 a.m. until 11:30 p.m. along Clark Street at the intersections of Waveland Avenue, Addison Street, Eddy Street, Cornelia Avenue, Newport Avenue and Roscoe Street, the letter stated.