sentences:  The segment from SR 16 to the northern terminus at US 1 is maintained by the City of St. Augustine, and is the only AASHTO defined road in Florida that is not under state maintenance.US 1 Business begins at the intersection of U.S. Route 1 and King Street (County Road 214).US 1 Business travels east on King Street, with a short water crossing two blocks east of US 1.