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South Dakota Transportation Commission Awards Economic Development Grants
At the South Dakota Transportation Commission meeting held on Thursday, Dec. 18, 2025, commissioners awarded $4 million in economic development grants for infrastructure improvements to counties and smaller communities across South Dakota. Read MoreRock Excavation Blast Scheduled for Backslope Repair Project on U.S. Highway 14A near Deadwood
On the afternoon of Wednesday, Dec. 17, 2025, rock excavation blasting is scheduled on U.S. Highway 14A approximately four miles east of Deadwood. Read MoreOvernight Lane Closures Planned on Interstate 90 at Hartford - Exit 387
Beginning at 8 p.m. on Wednesday, Dec. 17, 2025, through 6 a.m. on Thursday, Dec. 18, 2025, the eastbound lanes of Interstate 90 at exit 387 (Hartford) will be temporarily closed to allow crews to set bridge girders over the eastbound lanes. Read MoreEuclid Avenue Reopening to Through Traffic in Pierre
At approximately 6 p.m. (CT) on Friday, Dec. 5, 2025, Pierre Street, Pleasant Avenue, and Euclid Avenue will be reopened to through vehicular traffic in Pierre. Read MoreSDDOT Seeks Public Input on Preliminary Recommendations for Tripp County Master Transportation Plan
The South Dakota Department of Transportation (SDDOT) in conjunction with Tripp County will hold a public meeting open house on Wednesday, Dec. 10, 2025, from 5:30 to 7 p.m. (CT) to present and receive public input on the preliminary recommendations for the Tripp County Master Transportation Plan. Read MoreSouthbound On- and Off- Ramps on Interstate 229 at Cliff Avenue Scheduled to Reopen in Sioux Falls
Beginning on Friday, Dec. 5, 2025, the southbound on- and off-ramps at Cliff Avenue (exit 4) on Interstate 229 are scheduled to reopen to traffic. Read MoreSDDOT Seeks Public Input on Interstate 90 Exit 48 Interchange Modification Study Near Summerset
The South Dakota Department of Transportation (SDDOT) will host a public meeting open house on Wednesday, Dec. 3, 2025, from 5:30 p.m. to 7 p.m. MT to inform area residents and business owners about the preliminary results of the interchange modification study at Interstate 90 (exit 48) Stagestop Road. Read MoreFeatured Resources
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Meetings & Events
Aeronautics Commission Meeting 01/15/2026
1/15/2026 1:00 PM MT / 2:00 PM 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 DetailsRailroad Board & Authority Meeting 01/21/2026
1/21/2026 10:00 AM MT / 11:00 AM CT
The agenda and corresponding attachments for the meeting, as well as additional information about the Board, can be found here Boards and Commissions.
View DetailsTransportation Commission Meeting 01/29/2026
1/29/2026 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 DetailsTransportation Commission Meeting 02/12/2026
2/12/2026 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 Details