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South Dakota Aeronautics Commission Approves Updated Funding Policy to Support Airport Terminal Development
The South Dakota Aeronautics Commission approved significant updates to its funding policy at its regularly scheduled September meeting, strengthening state support for airport terminal development. Read MoreCliff Avenue (Exit 4) Northbound Off-Ramp on Interstate 229 Scheduled to Reopen in Sioux Falls
Beginning on Thursday, Sept. 24, 2026, the northbound off-ramp at Cliff Avenue (exit 4) on Interstate 229 in Sioux Falls is scheduled to reopen to traffic. Read MoreSDDOT Seeks Public Input for Proposed Interchange Reconstruction Project on Interstate 29 at Exit 15 (Elk Point)
SDDOT will hold a public meeting open house on Wednesday, Sept. 30, 2026, for the proposed structure replacement, ramp modification, grading, surfacing, and ADA project on Interstate 29 (exit 15) and Main Street in Elk Point, SD. Read MoreRESCHEDULED: Closure Scheduled on S.D. Highway 11 Near Canton for Railroad Crossing Improvement Project
RESCHEDULED: Beginning at 7 a.m. on Tuesday, Sept. 8, 2026, a closure is scheduled on S.D. Highway 11 near Canton for replacement of the railroad crossing one-half mile north of U.S. Highway 18. Read MoreInslope Repair to Begin on U.S. Highway 14A Near Broken Boot Gold Mine Southwest of Deadwood
Beginning on Tuesday, Sept. 8, 2026, a project is scheduled to repair the inslope adjacent to Deadwood Creek and to replace a pipe on U.S. Highway 14A at the Broken Boot Gold Mine southwest of Deadwood. Read MoreSDDOT Seeks Public Comment on Draft Section 4(f) De Minimis Evaluation for Proposed Project on S.D. Highway 15 in Deuel County
The South Dakota Department of Transportation (SDDOT) has proposed a project to reconstruct S.D. Highway 15 from Clear Lake to the junction of U.S. Highway 212 to increase the shoulder width, re-establish ditch section, and flatten out deficient vertical curves. Section 4(f) of the Department of Transportation Act of 1966 (49 U.S.C. 303) requires a special effort be made to preserve the natural beauty of the countryside and public and recreation lands, wildlife and waterfowl refuges, and historic sites. Read MoreTransportation Commission Awards Funding for Forty Local Bridge Projects
The South Dakota Transportation Commission awarded funding for forty local bridge projects totaling approximately $3.5 million at their regularly scheduled meeting in Pierre on Thursday, Aug. 27, 2026. Read MoreFeatured Resources
2026-2029 Statewide Transportation Improvement Program (STIP)
There will be a hearing before the South Dakota Transportation Commission on Tuesday, Sept. 22, 2026, to consider amendments of the following administrative rules:
- 70:01:02:01 – Minnehaha County speed zone rule;
- 70:01:02:39 – Jackson County speed zone rule;
- 70:01:02:59 – Sully County speed zone rule;
- 70:07:01:01 – Definitions;
- 70:07:04:09 – Reasons for Debarment;
- 70:07:04:10.02 – Hearing request; and
- 70:07:04:15 – Term of debarment.
More information about the rule amendments may be found at the following link on the OpenSD website: https://rules.sd.gov/agency?agency=DOT%20%20Department%20of%20Transportation.
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Meetings & Events
Transportation Commission Meeting 09/22/2026
9/22/2026 8:00 AM MT / 9:00 AM CT
The agenda and corresponding attachments for the meeting, as well as additional information about the Commission, can be found here Boards and Commissions
View DetailsSept. 30, 2026 - Interstate 29 (Exit 15) and Main Street in Elk Point
9/30/2026 4:30 PM MT / 5:30 PM CT
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house to discuss and receive public input on the above project. The open house will be informal, with one on-one discussion with SDDOT design staff.
View DetailsOct. 7, 2026 - Exit 86 (Crooks Interchange) on Interstate 29
10/7/2026 4:30 PM MT / 5:30 PM CT
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house to discuss and receive public input on the above project. The open house will be informal, with one on-one discussion with SDDOT design staff.
View DetailsTransportation Commission Meeting 10/15/2026
10/15/2026 8:00 AM MT / 9:00 AM CT
The agenda and corresponding attachments for the meeting, as well as additional information about the Commission, can be found here Boards and Commissions
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