Located in Oak Ridge, TN, Oak Ridge City Center serves shoppers from across the region. Shoppers can find this Regional Center at Illinois Ave. & Oak Ridge Tnpk.. Originally opened in 1955, the mall was updated and renovated in 2006. The mall spans 889,055 sqft. of leasable retail area and is home to around 30 stores. Guests will find 4,100 parking spaces at the venue.