sentences:  The route continues, passing the southern end of Flagler College, and then becoming a one way pair for four blocks, with King Street taking eastbound traffic and Cathedral Place, one block north, taking westbound traffic.At the intersection with State Road A1A just west of the Bridge of Lions towards Anastasia Island, US 1 Business heads north as a two way road, starting a concurrency with SR A1A, now known as North Ocean Boulevard, going through the heart of St. Augustine.At West Castillo Drive, the name changes to San Marco Avenue.