The trial court erred in applying Code Ann. 95A-619 (b) because the county merely was relocating a part of a road that still was in use by the public. That section applies only when the county is abandoning all or part of a road that no longer serves a substantial public purpose because it no longer is being used by the public. Miller v. Lanier County, 243 Ga. 58 (252 SE2d 909) (1979).