Feb. 21—MITCHELL — Interstate 90 will close from Mitchell to Sioux Falls at 10 p.m. Tuesday night due to conditions brought on by a major winter storm. The South Dakota Department of ...

The South Dakota Department of Transportation has closed Interstate 90 between Rapid City and Chamberlain Tuesday as weather conditions continue to deteriorate.

A major portion of both north and southbound lanes of Interstate 29 from exit 2 at North Sioux City to exit 26 Vermillion, South Dakota. That portion of I29 is being monitored and officials say ...

SIOUX FALLS, S.D. (Dakota News Now) - The South Dakota Department of Transportation is seeking input on the Interchange Modification Study and the Environmental Study for Interstate 29 at the ...

The South Dakota Department of Transportation is set to begin reconstruction work on Benson Road and the Interstate 229 interchange starting March 11, according to a press release by the department.