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Temporary Road Closure Scheduled for Minnesota Avenue at Interstate 229 in Sioux Falls
On Wednesday, Feb. 11, 2026, South Minnesota Avenue at Interstate 229 will be temporarily closed beginning at 9:30 a.m. as contractors install the temporary bridge over Minnesota Avenue. Read MoreAgencies Seek Public Comment on Draft Agreement in South Dakota
The South Dakota Department of Transportation (SDDOT), in collaboration with the Federal Highway Administration (FHWA), is seeking public comment on the draft 2026 Section 106 Programmatic Agreement (PA) for the Federal Aid Highway Program in South Dakota. Read MoreSDDOT Snowplow Contest Winners . . . Like a Rhinestone Plowboy - Riding out in a Plow on a Snow-Filled “Roadeo”
The South Dakota Department of Transportation (SDDOT) is excited to announce another round of outstanding winners in the sixth annual snowplow naming contest. Read MoreYankton County Highways Scheduled for Closure for James River Bridge Replacement Project
Beginning on Tuesday, Jan. 20, 2026, Yankton County Highway 587 (Stone Church Road) and County Highway 217 (Northwest Jim River Road) will be closed to through traffic for the replacement of the James River Bridge. Read MoreS.D. Highway 127 Scheduled to Close for Bridge Replacement Project Near Sisseton
Beginning on Tuesday, Jan. 20, 2026, a bridge and box culvert replacement project is scheduled to begin over the Little Minnesota River on S.D. Highway 127 near Sisseton. Read MoreSDDOT 2025 Annual Report is now available!
Read about innovative projects that were completed this past year and take an in-depth look at SDDOT programs and services. Read MoreRepair Project Scheduled on U.S. Highway 14A near Cheyenne Crossing in Spearfish Canyon
Beginning on Monday, Jan. 19, 2026, a repair project is scheduled to begin on U.S. Highway 14A approximately one-half mile north of Cheyenne Crossing in Spearfish Canyon. Read MoreFeatured Resources
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Meetings & Events
Transportation 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 DetailsBuy America Informational Webinar
2/12/2026 9:00 AM MT / 10:00 AM CT
This webinar is being hosted by SDDOT to provide information related to the Buy America program. The latest changes removed the longstanding waiver of manufactured products from Buy America requirements which will affect the upcoming construction season.
View DetailsRailroad Board & Authority 02/18/2026
2/18/2026 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 DetailsAeronautics Commission Meeting 02/19/2026
2/19/2026 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 Details