The Florida Department of Transportation has named four finalists to compete for the 21-mile reconfiguration and renewal of Interstate 4. The contractor groups include I-4 Mobility Partners, I-4 Development Partners, 4wardPartners and Ultimate Mobility Partners. The $2.1 billion project will include the addition of four toll lanes. "We're basically going to gut the system. It's very, very old," said Noranne Downs, who runs FDOT in Central Florida. The winning bidder will be announced in June 2014, and the project could be finished in 2020.