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 …

South Dakota DOT Travel Information. View road conditions, road cameras, travel incidents and alerts. For state-wide road conditions by phone, call 511 within South Dakota or 1-866-MY-SD511 out-of-state.

South Dakota Department of Transportation 󱢏 14h󰞋󱟠 Traffic Alert: Overnight Lane Closures Planned on Interstate 90 at Hartford - Exit 387 Beginning at 8 p.m. on Monday, Dec. 22, 2025, through 6 a.m. …

The South Dakota Department of Transportation (SDDOT) is a state government organization in charge of maintaining public roadways of the U.S. state of South Dakota.

Doing Business About Certification & Accreditation SDDOT Accreditation Certification List Approved Products Manuals & Documents Welding Certifications Training

The links provided on this webpage will provide interested parties with the information necessary to begin bidding with the SDDOT. In addition, you will find the plans and specifications for all projects …

Statewide Construction Project Information View SDDOT: Featured construction project information can be found categorized by region and area on this page. Click on the project names to open the …

The SDDOT 511 system is designed to help travelers access information regarding road conditions, construction, and severe weather, via the Web or phone—24/7 to make their travels in South Dakota …

Due to reports of recent text messages stating a person needs to pay an overdue bill “toll” to travel on South Dakota roads, the South Dakota Department of Transportation wants to remind the public all …

Due to reports of recent text messages stating a person needs to pay an overdue bill “toll” to travel on South Dakota roads, the South Dakota Department of Transportation wants to remind the public all …