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For Immediate Release:
Tuesday, May 20, 2025
Contact:
Mike Schmidt, Project Engineer, 605-941-1000
Cliff Avenue Scheduled to Close at Interstate 229 in Sioux Falls
SIOUX FALLS, S.D. – Beginning Tuesday, May 27, 2025, Cliff Avenue will be closed to all traffic from north of the existing northbound Interstate 229 exit ramps to 38th Street in Sioux Falls. The closure is needed for the contractor to reconstruct this portion of Cliff Avenue and the Sioux Falls Lincoln High School parking lot.
This portion of Cliff Avenue is scheduled to be closed until mid-August. A signed detour will be provided to motorists utilizing 33rd Street, 57th Street, and Minnesota Avenue to navigate around the work zone. Once reopened, traffic will be restored in one lane both northbound and southbound.
This closure is part of a larger overall project that will reconstruct I-229 exit 4 (Cliff Avenue) and includes, lighting, signals, mainline Interstate work, two structure replacements, and median crossovers. Motorists are reminded to use caution and reduce their speed while workers and equipment are present.
The prime contractor on this $48 million project is T&R Contracting, Inc. of Sioux Falls, SD. The overall completion date is June 2027.
Featured Project Information:
Find additional information about this project on the SDDOT website at https://dot.sd.gov/i229exit4.
Sign Up for Text Notifications:
For updates on MAJOR traffic changes on this reconstruction project, subscribe to a free text-in service. To subscribe, simply text "I229Exit4" to 605-566-4041. Subscribers can unsubscribe at any time.
About SDDOT:
The mission of the South Dakota Department of Transportation is to provide a safe and efficient public transportation system.
For the latest on road and weather conditions, road closures, construction work zones, commercial vehicle restrictions, and traffic incidents, please visit https://sd511.org or dial 511.
Read more about the innovative work of the SDDOT at https://dot.sd.gov.
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