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SDDOT Seeks Public Input for Proposed Project on S.D. Highway 34 from 13 Miles East of Fort Thompson to S.D. Highway 45

The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Tuesday, Dec. 13, 2022, to inform area residents of the proposed project on S.D. Highway 34 from 13 miles east of Fort Thompson to S.D. Highway 45.Read More

Lane Switch Planned on Interstate 90 as Reconstruction Project Concludes in McCook County

The South Dakota Department of Transportation (SDDOT) says work is nearing completion on the Interstate 90 reconstruction project from Salem to Humboldt. On Thursday, Dec. 1, 2022, a significant traffic switch will occur. Motorists are advised that all westbound traffic will be moved from the eastbound lanes and guided into the westbound lanes so repainting of lane lines can be completed for eastbound traffic.Read More

SDDOT and Yankton County Seek Public Input into West Yankton County Master Transportation Plan Study

The South Dakota Department of Transportation (SDDOT), in collaboration with Yankton County, will hold an open house public meeting on Thursday, Dec. 1, 2022, to gather public input for help in developing the West Yankton County Master Transportation Plan. Read More

South Dakota Transportation Commission Awards Economic Development Grants

The South Dakota Transportation Commission awarded a total of $3.5 million in economic development grants this week for infrastructure improvements for some of South Dakota’s smaller communities and agri-business development.Read More

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What is the SDDOT Winter Highway Maintenance Plan?

When winter arrives each year, the South Dakota Department of Transportation (SDDOT) is responsible for performing maintenance activities on nearly 7,800 miles of roadways. Read More

How well is the SDDOT doing, customers provide input!

In 2021, the South Dakota Department of Transportation (SDDOT) conducted a Statewide Customer Satisfaction Survey of residents and key customer groups including senior citizens, truckers, farmers/ranchers, and emergency vehicle operators. Take a look at the results. Read More

Gear up for winter and sign up for notifications through SD511!

Gearing up for the winter season? When you're visiting sd511.org don't forget to sign-up for customized notifications.Read More

2022-2023 Snowplow Naming Contest Officially OPEN

During the 2022-2023 winter season, the SDDOT will be officially naming 12 snowplows – one in each of our 12 areas to represent the entire state. Now through Nov. 30, 2022. Read More