Construction on Interstate 229 South

SIOUX FALLS, S.D. – Interstate 229 southbound in Sioux Falls will be reduced to one lane by the 26th Street exit beginning Thursday.

Motorists can expect congestion during the day, particularly during the morning and evening peak hours and are encouraged to use an alternate route during this time.

The completion date for this project is Nov. 13, 2020.

The closure is part of the $36.5 million project being completed on I-229 and 26th Street.