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SDDOT to Host Information Meeting for U.S. Highway 16/16B/Catron Boulevard Interchange Construction Project in Rapid City
July 15, 2026
On Tuesday, Aug. 4, 2026, the South Dakota Department of Transportation (SDDOT) will hold an informational meeting at 5 p.m. to share information on the background and phases for the U.S. Highway 16/16B/Catron Boulevard interchange construction project in Rapid City.
Cambell Street Bridge Repair Project Scheduled to Begin in Rapid City
July 13, 2026
Beginning Monday, July 20, 2026, crews will close the northbound St. Joseph Street ramp under the Cambell Street viaduct bridge in preparation for upcoming bridge repair work in Rapid City.
Pavement Repair Project Scheduled to Begin on Interstate 90 West of Spearfish
July 09, 2026
Beginning Monday, July 13, 2026, a pavement repair project is scheduled to begin on the eastbound lanes of Interstate 90 west of Spearfish.
SDDOT Seeks Public Input for Proposed Project on S.D. Highway 25 Near Scotland
July 09, 2026
SDDOT will hold a public meeting open house on Tuesday, July 28, 2026, for a proposed grading, surfacing, and structure project on S.D. Highway 25 from two and one-half miles north of S.D. Highway 50 to U.S. Highway 18 near Scotland.
Lane and Road Closures Scheduled for Interstate 229 and Cliff Avenue at Exit 4 in Sioux Falls
July 07, 2026
Beginning Monday, July 13, 2026, temporary lane and road closures are scheduled on Interstate 229 (I-229) and Cliff Avenue at exit 4 in Sioux Falls to allow crews to set bridge girders for the new northbound I-229 bridge.
