 The concurrency with SR 171 finally ends at Grange Road, which runs northwest, but US 221/SR 24 crosses another bridge over a tributary to the Ogeechee River before entering Louisville.At West Broad Street, US Business Route 1/SR BUS 4 joins the routes from the south, and the concurrency with SR 24 ends as it briefly turns south onto Ninth Street.US BUS 1/221/SBR 4 curves to the north in front of City Hall, then later joins up with and at-grade interchange with US 1 and SRs 4/17 as the business routes for each come to an end.