Major Cities along SR 15 (GRIP corridor) 2025-09-13 Roadnow SR 15 (GRIP corridor) Major Cities MAP Watkinsville MAP Farmington MAP Maxeys MAP Greensboro MAP Union Point MAP Siloam MAP White Plains MAP Sparta MAP Warthen MAP Sandersville MAP Davisboro MAP Tennille MAP Harrison MAP Wrightsville MAP Adrian MAP Soperton MAP Tarrytown MAP Ailey MAP Vidalia
