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SDDOT Seeks Public Input for Proposed U.S. Highway 85 Reconstruction Project North of Buffalo

The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Thursday, Feb. 16, 2023, from 5:30 p.m. – 7:30 p.m. (MT) to inform area residents of the proposed reconstruction project on U.S. Highway 85 from seven miles north of Buffalo to Ludlow.Read More

Bridge Inspections Scheduled for Interstate 229 in Sioux Falls

The South Dakota Department of Transportation (SDDOT) says bridge inspections are scheduled to take place on Interstate 229, in Sioux Falls, on Wednesday, Feb. 1, 2023. Read More

S.D. Highway 38 Bridge Repair Updates at Interstate 90 near Hartford

Repair work continues on the Interstate 90 eastbound bridge structure over S.D. Highway 38 (exit 390) at Hartford. Highway 38 was closed (northbound and southbound) earlier in January. Due to forecasted extremely cold temperatures, the contractor will not be able to work on the project over the next ten days. Therefore, beginning late afternoon on Friday, Jan. 27, 2023, one lane of traffic on Highway 38 will be opened for public use through the morning hours on Monday, Feb. 6, 2023. Read More

SDDOT Seeks Public Input for Spearfish Colorado Boulevard Corridor Study

The South Dakota Department of Transportation (SDDOT), in collaboration with the City of Spearfish and HDR, Inc., will hold an open house public meeting at High Plains Western Heritage Center (825 Heritage Dr.) in Spearfish on Thursday, Feb. 2, 2023, from 5:30 to 7 p.m. (MT).Read More

Illegally Dumped Snow Causes Safety Issues

The South Dakota Department of Transportation (SDDOT) reminds the public and commercial snow removal operators that it is illegal to place or dump excess snow on highway right-of-way, which includes driving surfaces, shoulders, and ditches.Read More

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Working Through Winter - How a SDDOT Project Continues to Move Forward Despite Harsh Conditions

Even in the brutal cold of the winter months, the SDDOT still makes significant progress on important construction projects. One of these projects during the winter of 2023 is the Day County Highway 446A bridge replacement over Blue Dog Lake, located northeast of Waubay.Read More

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