South Dakota Department of Transportation
State Government: Agencies/Departments/Divisions | State Agencies
Recent News About South Dakota Department of Transportation
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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.
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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.
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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.
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Pedestrian Traffic Reopened on 41st Street DDI Construction Project in Sioux Falls
The South Dakota Department of Transportation (SDDOT) says that pedestrian traffic along 41st Street has reopened for the winter months.
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SDDOT Seeks Public Input on South Veterans Parkway Supplemental Environmental Assessment in Sioux Falls
The South Dakota Department of Transportation (SDDOT), Federal Highway Administration (FHWA), and the City of Sioux Falls will hold a public meeting open house on Thursday, Dec. 1, 2022, to inform the public and gather public input on the South Veterans Parkway Supplemental Environmental Assessment (EA).
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Multi-directional Stop Signs to be Placed on S.D. Highway 47 in Lyman County
The South Dakota Department of Transportation (SDDOT) plans to install multi-directional stop signs on S.D. Highway 47 directly under Interstate 90 at Exit 251 in Lyman County.
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SDDOT Seeks Public Input for Proposed Project at Intersection of U.S. Highway 16 and Neck Yoke Road in Rapid City
The South Dakota Department of Transportation (SDDOT) will hold an open house public meeting to discuss and receive input on the proposed project at the intersection of U.S. Highway 16 and Neck Yoke Road in Rapid City.
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SDDOT Seeks Public Input on Environmental Assessment for Interstate 29 and 85th Street Interchange in Sioux Falls
The South Dakota Department of Transportation (SDDOT), in collaboration with the Sioux Falls Metropolitan Planning Organization (MPO), City of Sioux Falls, City of Tea, and Lincoln County, will participate in an open house public meeting on Thursday, Nov. 17, 2022, to present and receive comments on the environmental assessment (EA) conducted for a new interchange at Interstate 29 and 85th Street in Sioux Falls.
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Two-Way Traffic Zones Ending on Interstate 29 Near Brookings
The South Dakota Department of Transportation (SDDOT) says that the two-way traffic zone currently in place on Interstate 29 near Brookings will come to an end on Friday, Nov. 11, 2022.
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Center Turn Lane Paving Begins on U.S. Highway 212 Project in Watertown
The South Dakota Department of Transportation (SDDOT) says that J&J Earthworks Inc. will begin placing center turn lane on U.S. Highway 212 between 14th and 19th Street East on Friday, Nov. 4, 2022. Center turn lane pavement will be placed in sections to 11th Street East.
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Butte County Scour Protection Project Scheduled on S.D. Highway 79
The South Dakota Department of Transportation (SDDOT) says scour protection work on S.D. Highway 79 south of Newell is scheduled to begin Monday, Oct. 24, 2022.
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SDDOT and FMG Engineering Seek Public Input for Proposed Bridge on S.D. Highway 44 near Cliffside Park
The South Dakota Department of Transportation (SDDOT) and FMG Engineering will hold a public meeting open house on Tuesday, Oct. 25, 2022, from 5:30 – 7 p.m. (MST) to inform area residents of the proposed new bridge on S.D. Highway 44 near Cliffside Park, located four miles west of the S.D. Highway 231 junction.
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Tunnel Inspections Scheduled in the Black Hills Area
The South Dakota Department of Transportation (SDDOT) will be conducting bi-annual tunnel inspections the week of Monday, Oct. 3, 2022, in the Black Hills area.
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South Dakota Department of Transportation Receives STC Funding for Key Rail Service Projects
On Dec. 1, 2021, the U. S. Department of Transportation (USDOT) Federal Railroad Administration (FRA) published a Notice of Funding Opportunity (NOFO) on the availability of Special Transportation Circumstance (STC) program funding.
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Natural Gas Line Installation Scheduled on U.S. Highway 18 Near Canton
The South Dakota Department of Transportation (SDDOT) says Northern Natural Gas will be installing a new natural gas line and removing an old line on U.S. Highway 18, four miles west of Canton.
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SDDOT Reminder: Election Signs Not Allowed in State Right-of-Way
The South Dakota Department of Transportation (SDDOT) reminds the public that political campaign and ballot-issue signs cannot be placed on state highway rights-of-way.
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Lane Shift Planned for 20th Street Interchange Bridge Project on I-29 through Brookings
The South Dakota Department of Transportation (SDDOT) says that the construction of the 20th Street Interchange Bridge Structure on Interstate 29 near Brookings is scheduled to move back to the east half of the structure for finish work on Friday, Sept. 23, 2022.
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SDDOT Seeks Public Input for Proposed S.D. Highway 37 Reconstruction Project Near Huron
The South Dakota Department of Transportation (SDDOT) will hold a public meeting open house on Tuesday, Oct. 4, 2022, from 5:30 – 6:30 p.m. to inform area residents of the proposed reconstruction project on S.D. Highway 37 from S.D. Highway 28 and south 12 miles.
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Bridge Demolition to Begin on 60th Street Bridge over Interstate 229 in Sioux Falls
The South Dakota Department of Transportation (SDDOT) says that bridge demolition will begin on Tuesday, Sept. 20, 2022, for the 60th Street Bridge over Interstate 229 just south of the Interstate 90/229 interchange.
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SDDOT Seeks Public Input for I-90/U.S. Highway 85 Spearfish Rest Area/Welcome Center Corridor Study
The South Dakota Department of Transportation (SDDOT), in collaboration with the South Dakota Department of Tourism and Stantec Consulting, will hold an open house public meeting at Spearfish City Hall, located at 625 N. 5th St. in Spearfish, on Wednesday, Sept. 28, 2022, from 5:30 to 7 p.m.