Promoters Live Nation are expecting 145,000 to visit the event, which this year has The Killers, Bon Jovi and Rod Stewart lined up as headliners.

"Because it's the 40th anniversary of Hard Rock this year, they are going to town and spending a lot of money on the event," said Live Nation vice president of promotions Toby Leighton-Pope.

"Having Bon Jovi is huge for us. Similarly The Killers loved it last time they played and wanted to come back. As ...