Input (grade 7): Southern Boulevard (signed FL 80\/US 98), which runs east-west through central Palm Beach County, is a partial freeway from Interstate 95 in West Palm Beach to US 441\/FL 7 in Wellington and Royal Palm Beach. In the late 1980s, there were plans to construct an 11.5 m toll freeway from Royal Palm Beach to downtown West Palm Beach.
Output (grade 3): West Palm Beach is the county seat of Palm Beach County.