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S.D. Highway 15 - From Clear Lake South to S.D. Highway 28
S.D. Highway 15 - From Clear Lake South to S.D. Highway 28
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S.D. Highway 15 - From Clear Lake South to S.D. Highway 28
Project Summary:
This project consists of grading and widening to improve road smoothness and sight distance to increase safety.
There will be an interim surface of gravel and asphalt throughout the winter of 2024-2025 with a paving project to follow in 2025.
Project Updates:
May 20, 2025:
April 15, 2025 – May 15, 2025, Completed Work: The contractor has completed temporary surfacing work on the remaining grade. They have also begun minor miscellaneous work which remains on the project including punch list items, rock picking, and ditch drainage issues.
Anticipated work in May 15, 2025 – June 15, 2025: The contractor should complete minor miscellaneous items including punch list items. Surfacing work is tentatively scheduled to begin in July.
Project Photos:
Construction Projects
Planning
Carbon Reduction Strategy
Freight Plan
Long Range Plan
Metropolitan Planning Organization
Non-state Public Road Inventory
Pavement Condition Monitoring
Pavement Management
South Dakota EV Fast Charging Plan
Statewide Transportation Improvement Program – STIP
Transportation Asset Management Plan (TAMP)
Studies
Special Studies
Public Meetings
SPR
US Highway 16 Corridor Study
I-229 Exit 3 (Minnesota Avenue) and Exit 4 (Cliff Avenue) Interchange & Environmental Study
I-229 Exit 6 (10th Street) Interchange Study
SD44 - Platte/Winner Bridge Corridor Study
I-90 Exit 46 (Elk Creek Road) Interchange Modification Study
I-90 Exit 63 (Box Elder/Ellsworth AFB Commercial Gate) Interchange Study
U.S. 385 Roadway Improvement Study
SD 100 Corridor Preservation Project
US14A/US85/Deadwood Box Corridor Study
South Veterans Parkway (Highway 100)
US Highway 212/Forest City Bridge Corridor Study
Union County Master Transportation Plan Study
Tabor to Platte Rail to Trail Feasibility Study
© 2025 State of South Dakota. All Rights Reserved.
South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
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© 2025 State of South Dakota. All Rights Reserved.
South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501
Powered by:
Modern Logic
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