https://kbhbradio.com/wp-content/uploads/2026/06/Exit-46-Map.jpg PIEDMONT, S.D. – A reconstruction project on Interstate 90 at Piedmont (exit 46) began in mid-June 2026. Crews are currently building the new eastbound ramps at exit 46 and are also working along Elk Creek Road and Sturgis Road. The South Dakota Department of Transportation (SDDOT) will hold a public informational meeting on Wednesday, July 8, 2026, at 5:30 p.m. (MT) for this reconstruction project.