MILWAUKEE (CBS 58) -- Milwaukee's Convention Center could get a new expansion and it's expected to have a hefty price tag.

It's expected to cost anywhere between $244 million to $277 million. The three-level addition would be connected to the existing convention hall that opened in 1998.

The exhibit space would gain the most square footage at 112,000 square feet.

The project also would modernize the existing convention hall.

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