CUSTER, S.D. — A chip seal project is scheduled to begin Wednesday on several shoulder segments along U.S. Highway 16 and U.S. Highway 385 in Custer and Pennington counties, according to the South Dakota Department of Transportation.

The project includes work on Highway 385 from Wind Cave to Custer between mile markers 49 and 66, Highway 385 from Three Forks to Sheridan Lake between mile markers 85 and 87, and Highway 16 from four miles west of Custer to Jewel Cave between mile markers 15 and 22.

Traffic control measures will include pilot cars and flaggers. Motorists should expect delays of approximately 10 to 15 minutes while crews complete the work. Additional project activities will include brooming and the placement of fog seal on recently completed chip seal areas.

The project is being completed by Asphalt Surface Technologies Corporation of St. Cloud, Minnesota, under a contract valued at approximately $558,000. Work is expected to be completed by July 1, 2026.