Highway 385 Construction Pennington-Lawrence County Line to Sheridan Lake
The South Dakota Department of Transportation (SDDOT) is reconstructing a portion of Highway 385 between the Pennington-Lawrence county line and the south end of Sheridan Lake. Once completed, this section of Highway 385 will feature safety improvements, including wider shoulders on each side of the road where possible, improved road curves to meet current design standards, additional turning lanes to improve traffic flow, and new surfacing. Learn more about this project by watching this presentation.
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Approximately 15 miles of Highway 385, from Calumet Road (near Sheridan Lake) to the Pennington-Lawrence county line in South Dakota, is planned to be reconstructed from 2024 through 2026. Construction of Highway 385 is split into sections that will be completed over three years. The northern segment, which runs from Pactola Dam to the Pennington-Lawrence county line, is expected to be under construction in 2024. The southern section, which runs from the southern point of Sheridan Lake (Calumet Road) to Pactola Dam, is expected to be under construction in 2025 and 2026.
Construction Timeline
Construction is scheduled to begin in spring 2024 and is anticipated to be completed in fall 2026. Throughout the rest of 2023, the SDDOT is working behind the scenes to plan and prepare for an efficient and safe construction process. For further updates, please visit the Construction Updates page.
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2023
Community & Stakeholder Outreach -
2024
Phase 1 Construction
(Pennington-Lawrence County Line to Pactola Dam) -
2025
Phase 1 Surfacing & Phase 2 Construction
(Pactola Dam to Calumet Road near Sheridan Lake) -
2026
Phase 2 Construction
(Pactola Dam to Calumet Road near Sheridan Lake) -
2027
Phase 2 Surfacing
What to Expect
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The detour for these road closures will be S.D. Highway 44 and U.S. Highway 16, as show in yellow below.
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