State Highway 89 in Custer County, South Dakota

State Highway 89 in Custer County is a secondary road. It runs in a northeast-southwest direction starting from SD Highway 89 and crosses 18 Mile Road, Cedar Lane, Argyle Loop Road, West Argyle Road, Wolf Lane, Kimberly Drive, Mountain Lion Lane, Lone Elk Drive, Orchard Drive, Cottonwood Springs Drive and Ridge Road. This street is part of the highway "89". State Highway 89 also exists in Fall River County.