U.S. Highway 18 and S.D. Highway 407 in Pine Ridge

Project Summary:

U.S. Highway 18 - In Pine Ridge From Two Blocks North of S.D. Highway 407 to East of Indian Health Rd.

• Urban Grading
• Roadway Lighting
• Curb and Gutter
• Storm Sewer
• Surfacing
• Addition of Traffic Signal
• ADA Improvements 

Project Timeline:

March 2025 - Oct. 2026

Project Updates:

April 11, 2025 - Press Release:

The reconstruction project is underway on U.S. Highway 18 and S.D. Highway 407 in Pine Ridge. Project work will consist of urban grading, curb and gutter, storm sewer, roadway lighting, asphalt and concrete paving, ADA upgrades, and traffic signals. 
 
Traffic lane closures are scheduled to begin on Monday, April 14, 2025, for the north and south section of Highway 18 and Highway 407 from Cherry Hill Court to Whitetail Deer Road. The southbound lanes will be closed. Two-way traffic will be maintained in the northbound lanes.  

Traffic lane closures are also scheduled to begin on Monday, April 14, 2025, on Highway 18 from East Ridge Road to Indian Health Road. The westbound lanes will be closed to traffic. Two-way traffic will be maintained on the eastbound lanes of Highway 18.

During the lane closures, a 10-foot width restriction for through traffic will be in effect on Highway 18 and Highway 407. The contractor had started minor tree and shrub clearing and removal. Fence removal will also be completed throughout the west side of the project along north Highway 18 and Highway 407.

The Oglala Sioux Tribe has a water main/sanitary sewer project that will begin in the same construction work area. The work will initially be off the roadway to the west of north Highway 18 and Highway 407.

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March 28, 2025 - Press Release: 

On Monday, March 31, 2025, work will begin on U.S. Highway 18 and S.D. Highway 407 in Pine Ridge. Project work will consist of urban grading, curb and gutter, storm sewer, roadway lighting, asphalt and concrete paving, ADA upgrades, and traffic signals. 
 
The Oglala Sioux Tribe has a water main/sanitary sewer project that will begin in the same construction work area. The water main/sewer project is anticipated to begin the first or second week of April. The work will initially be off the roadway to the west of north Highway 18 and Highway 407.
 
Traffic lane closures are not anticipated during the first week of April, however sections of shoulder work may be established for daytime activity.

STATEWIDE CONSTRUCTION PROJECTS PAGE

PCN: 04FC