Construction Updates

Current Construction

• Throughout the Phase 2 construction area, expect sections of gravel surface that are loose and may become slippery when wet. Motorcycles and trailers are advised to travel with caution through the construction area.
• Closure D (Be Still Road to Calumet Road) has ended, and the roadway is open to traffic as of 6 a.m. on Friday, June 13, 2025. The roadway conditions include gravel surface and the use of pilot cars and flaggers, with traffic delays of up to 15 minutes.
• Milling will take place beginning the week of Monday, June 16, 2025, from approximately one-half mile north of Sheridan Lake Road to Wrinkle Valley Road. Travelers can expect the use of pilot cars and flaggers, with traffic delays of up to 15 minutes, the use of large construction equipment, narrowed driving lanes, and loose gravel surfacing.
• Phase 1 permanent surfacing activities have begun. The contractor will use pilot cars and flaggers as needed, with traffic delays of up to 15 minutes. Surfacing activities start at the Pennington Lawrence County line and work south. Phase 1 surfacing is expected to be completed by mid-July 2025.
• Dust is being managed by the contractor on an as-needed basis.

Upcoming Construction

• The contractor will open all lanes to unimpeded traffic and work will be paused from Wednesday, July 30, 2025, through Monday, August 11, 2025, for the Sturgis Motorcycle Rally. All driving surfaces will be existing asphalt surface or a temporary hard surface by July 23, 2025.
• Overnight construction activities are also taking place in the Phase 2 construction area. Travelers can expect traffic to be controlled through the use of flaggers and wait times of up to 15 minutes.
• Closure C (Sheridan Lake Road to Be Still Road) begins on Tuesday, August 12, 2025, and ends on Friday, October 17, 2025.
• Closure E (Pactola Dam to Taylor Ranch Road) begins on Monday, October 20, 2025, and ends on Friday, March 6, 2026.

Current Construction

• Closure D (Be Still Road to Calumet Road) is in effect through Friday, June 13, 2025. During this time, the roadway in the closure area will not be open to through traffic.
• Outside of the closure area, but still within the Phase 2 construction area (south end of Pactola Dam to Calumet Road), travelers can expect pilot cars and wait times, the use of large construction equipment, narrowed driving lanes, and loose gravel surfacing.
• Sheridan Lake Fishing Pier and parking lot are both closed until Friday, June 13, 2025. Fishing access from Dakota Point and Sheridan Lake Campground will not be impacted.
• Phase 1 permanent surfacing activities have begun. The contractor will use pilot cars and flaggers as needed with traffic delays of up to 15 minutes. Surfacing activities start at the Pennington Lawrence County line and work south. Phase 1 surfacing is expected to be completed by mid-July 2025.
• Dust is being managed by the contractor on an as-needed basis.

Upcoming Construction

• Overnight construction activities are also taking place both within and outside of the Closure D project area. Travelers can expect traffic to be controlled through the use of flaggers and wait times of up to 15 minutes.
• Closure C (Sheridan Lake Road to Be Still Road) begins on Tuesday, Aug. 12, 2025, and ends on Friday, Oct. 17, 2025.
• Closure E (Pactola Dam to Taylor Ranch Road) begins on Monday, Oct. 20, 2025, and ends on Friday, March 6, 2026.

Controlled Rock Blasting Scheduled for Wednesday, May 28, 2025, and Thursday, May 29, 2025: Expect One Hour Delays

• On both Wednesday, May 28, 2025, and Thursday, May 29, 2025, the contractor will be conducting controlled rock blasting to remove rock material. During each of these controlled detonations, U.S. Highway 385 from Clear Creek Road to Horse Creek Road will be closed to through traffic for up to one hour.

How to Stay Up to Date:

• A free text-in service is being used to communicate temporary road closures due to rock blasting, when the road opens, and any additional delays. To subscribe, simply text "US385" to 605-566-4041. Subscribers can unsubscribe at any time.

Current Construction

• Closure D (Be Still Road to Calumet Road) is in effect through Friday, June 13, 2025. During this time, the roadway in the closure area will not be open to through traffic. Outside of the closure area, but still within the Phase 2 construction area (south end of Pactola Dam to Calumet Road), travelers can expect pilot cars and wait times, the use of large construction equipment, narrowed driving lanes, and loose gravel surfacing.
• Sheridan Lake Fishing Pier and parking lot are both closed until Friday, June 13, 2025. Fishing access from Dakota Point and Sheridan Lake Campground will not be impacted.
• Phase 1 permanent surfacing activities have begun. The contractor will use pilot cars and flaggers as needed with traffic delays of up to 15 minutes. Surfacing activities start at the Pennington Lawrence County line and work south. Phase 1 surfacing is expected to be completed by mid-July 2025.
• Dust is being managed by the contractor on an as-needed basis.

Upcoming Construction

• Overnight construction activities are also taking place both within and outside of the Closure D project area. Travelers can expect traffic to be controlled through the use of flaggers and wait times of up to 15 minutes.
• MEMORIAL DAY WEEKEND: Saturday, May 24, 2025, through Monday, May 26, 2025, Closure D will remain in place, but construction will be paused outside of the closure. U.S. Highway 385 from the Pennington-Lawrence County line to Sheridan Lake Road will be open to unimpeded traffic.
• Closure C (Sheridan Lake Road to Be Still Road) begins on Tuesday, Aug. 12, 2025, and ends on Friday, Oct. 17, 2025.
• Closure E (Pactola Dam to Taylor Ranch Road) begins on Monday, Oct. 20, 2025, and ends on Friday, March 6, 2026.

Overnight Construction Works Scheduled for U.S. Highway 385 from Sheridan Lake Road to Pactola Dam

On Monday, May 5, 2025, overnight construction activities are scheduled to begin on the U.S. Highway construction project from Sheridan Lake Road to Pactola Dam. Construction crews will be working overnight from 6 a.m. on Monday to 5 p.m. Saturday each week until Wednesday, July 30, 2025. While overnight construction activities are taking place, traffic will be controlled with the use of flaggers and wait times of up to 15 minutes will be in place.