Construction set to begin on ChampionsGate diverging diamond interchange Construction to begin on ChampionsGate interchange The Florida Department of Transportation is about to begin construction on a new interchange at Interstate 4 and County Road 532 (ChampionsGate Blvd.), which they say will alleviate traffic congestion. FOUR CORNERS, Fla. - The Florida Department of Transportation (FDOT) is constructing a new interchange at Interstate 4 and County Road 532, which they say will alleviate traffic congestion. FDOT just started the project this month, and they are installing a "diverging diamond interchange" in the ChampionsGate area. It couldn't come soon enough for residents who say the area has experienced phenomenal growth in recent years.