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Paving Project Scheduled to begin on S.D. Highway 27 South of Langford
On Monday, June 29, 2026, an asphalt concrete paving project is scheduled to being on S.D. Highway 27, approximately two miles south of Langford. Read MoreReconstruction Project Underway on Interstate 90 at Piedmont (Exit 46)
A reconstruction project on Interstate 90 at Piedmont (exit 46) began in mid- June 2026. Read MoreSDDOT Providing Interactive Public Engagement Opportunities for Tentative 2027-2030 STIP
The SDDOT will offer virtual and in-person public engagement options for the Tentative 2027-2030 Statewide Transportation Improvement Program (STIP). Read MoreHansen and Karst Chosen as 2026 South Dakota Transportation Hall of Honor Inductees
June Hansen of Pierre and Kari Karst of Dell Rapids have been chosen for induction into the South Dakota Transportation Hall of Honor for 2026. Read MoreMultiple Chip Seal Project Scheduled to Begin in Custer, Pennington, Fall River, and Oglala Lakota Counties
On Friday, June 26, 2026, crews will begin a chip seal project on several segments of S.D. Highways 16, 18, 40, 89, 407, 391 and U.S. Highway 385 in Custer, Pennington, Fall River, and Oglala Lakota Counties. Read MoreSDDOT Seeks Public Input for Ethan Master Transportation Plan Study
SDDOT, in collaboration with the town of Ethan, will hold a public meeting open house from 6 p.m. to 7:30 p.m. (CT) on Monday, June 29, 2026, at the Town Hall in Ethan. Read MoreSDDOT Seeks Public Input for Dimock Master Transportation Plan Study
The South Dakota Department of Transportation (SDDOT), in collaboration with the town of Dimock, will hold a public meeting open house from 3:30 p.m. to 5 p.m. (CT) on Monday, June 29, 2026, at City Hall located at 505 S. Main St. in Dimock. Read MoreFeatured Resources
2026 Planned Construction Map
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Meetings & Events
Dimock Master Transportation Plan Study Public Meeting
6/29/2026 2:30 PM MT / 3:30 PM CT
The SDDOT, in collaboration with the town of Dimock, will hold a public meeting open house from 3:30 p.m. to 5 p.m. (CT) on Monday, June 29, 2026, at City Hall located at 505 S. Main St. in Dimock. The public meeting is designed to present key findings and draft recommendations for the Dimock Master Transportation Plan Study.
The public meeting open house will be informal, allowing for one-on-one discussions with the study team. A short presentation will be given at the beginning of the meeting.
View DetailsEthan Master Transportation Plan Study Public Meeting
6/29/2026 5:00 PM MT / 6:00 PM CT
The SDDOT, in collaboration with the town of Ethan, will hold a public meeting open house from 6 p.m. to 7:30 p.m. (CT) on Monday, June 29, 2026, at the Town Hall located at 218 W. Main St. in Ethan. The public meeting is designed to present key findings and draft recommendations for the Ethan Master Transportation Plan Study. The area being studied includes all roads, sidewalks, and other transportation related infrastructure within the city limits of Ethan and County Road 411th Avenue.
View DetailsPublic Informational Meeting for Reconstruction Project on Interstate 90 at Piedmont (Exit 46)
7/8/2026 5:30 PM MT / 6:30 PM CT
The South Dakota Department of Transportation (SDDOT) will hold a public informational meeting on Wednesday, July 8, 2026, at 5:30 p.m. for this reconstruction project. The informational meeting will be held in the old gymnasium at the Piedmont Valley Elementary School, located at 16159 N. 2nd St. in Piedmont.
View DetailsTentative 2027-2030 STIP Public Meeting July 14
7/14/2026 1:00 PM MT / 2:00 PM CT
Live virtual presentations will be provided to share statewide project information for the Tentative 2027-2030 STIP.
Tuesday, July 14, 2026, at 2 p.m. CT/1 p.m. MT
Register in advance to participate virtually by clicking this Zoom link: https://state-sd.zoom.us/meeting/register/dzpIN9s1TTaSK8NsQ6iyLA
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