South Dakota Department of Transportation US 385 Construction Project Skip to main content

Construction Updates

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Construction Zone Reminders

  • Follow posted speed limits in construction zones.
  • Be aware of flaggers and other construction workers in the construction area.
  • If you are following a pilot car, stay with the line, and do not stop or exit your vehicle in the project area.

Friday, May 31, 2024

Closure A (road to North Boat Ramp to Pactola Dam) is in place

Current Conditions

  • Closure A (road to North Boat Ramp to Pactola Dam) is in place through Friday, July 12, 2024.
  • Closure B (S.D. Highway 44 to the road to the North Boat Ramp) is in place through Friday, June 7, 2024. Closure is temporarily lifted from noon on Friday, May 31, 2024, until 6 a.m. on Monday, June 3, 2024, for access to North Boat Ramp.
  • Users of the roadway can expect delays of 15 minutes and the use of pilot cars and flaggers from S.D. Highway 44 to the Pennington-Lawrence county line.
  • Traffic is being diverted on two gravel diversions (a temporary at-grade roadway next to the original road).
    • Diversion 1 is approximately 3/4-mile north of the intersection of U.S. Highway 385 and Highway 44. A width restriction of 12 feet is in place.
    • Diversion 2 is immediately south of the Pennington-Lawrence County Line. A width restriction of 12 feet is in place.
Heavy machinery digging and grading.
Heavy machinery doing earth work.

Coming Up

  • The contractor will begin working Saturdays in June until Phase 1 construction is completed.
Friday, May 17, 2024

Expect 15-Minute Delays, Flagging, and Pilot Cars

Current Conditions

  • Users of the roadway can expect delays of 15 minutes and the use of pilot cars and flaggers.
  • Traffic is being diverted on two gravel diversions (a temporary at-grade roadway next to the original road).
    • Diversion 1 is approximately 3/4-mile north of the intersection of U.S. Highway 385 and Highway 44. A width restriction of 12 feet is in place.
    • Diversion 2 is immediately south of the Pennington-Lawrence County Line. A width restriction of 12 feet is in place.
Construction site
Cars along dirt road.

May Drone Video

Coming Up

  • Complete road closures within the project area will begin on Monday, May 20, 2024, and conclude by Saturday, July 12, 2024.
  • Milling (removal of the existing pavement) will begin in late May. Users of the roadway can expect to be driving on loose dirt and gravel between S.D. Highway 44 and Pactola Dam through the summer.
Monday, May 13, 2024

Expect 15-Minute Delays, Flagging, and Pilot Cars

Current Conditions

  • Users of the roadway can expect delays of 15 minutes and the use of pilot cars and flaggers.
  • Traffic is being diverted on two gravel diversions (a temporary at-grade roadway next to the original road).
    • Diversion 1 is approximately 3/4-mile north of the intersection of U.S. Highway 385 and Highway 44. A width restriction of 12 feet is in place.
    • Diversion 2 is immediately south of the Pennington-Lawrence County Line. A width restriction of 12 feet is in place.
Cones in place on dirt road.
Construction vehicles grading dirt road.

Coming Up

  • Temporary fence installation will begin later this spring in the project area.
  • Milling (removal of the existing pavement) will begin later in May, and users of the roadway can expect to be driving on loose dirt and gravel between S.D. Highway 44 and Pactola Dam through the summer.
  • Complete road closures within the project area will begin on Monday, May 20, 2024, and conclude on Saturday, July 12, 2024.
Friday, May 3, 2024

Expect Delays, Flagging, and Traffic Diversions

Current Conditions

  • Users of the roadway can expect delays of 15 minutes and the use of pilot cars and flaggers.
  • Traffic is being diverted on two gravel diversions (a temporary at-grade roadway next to the original road).
    • Diversion 1 is approximately 3/4-mile north of the intersection of U.S. Highway 385 and Highway 44. A width restriction of 12 feet is in place.
    • Diversion 2 is immediately south of the Pennington-Lawrence County Line. A width restriction of 12 feet is in place.
Road construction ditch
Road construction

Coming Up

  • Temporary fence installation will begin later this spring in the project area.
  • Milling (removal of the existing pavement) will begin later in May, and users of the roadway can expect to be driving on loose dirt and gravel between S.D. Highway 44 and Pactola Dam through the summer.
  • Complete road closures within the project area will begin on Monday, May 20, 2024, and conclude on Saturday, July 12, 2024.