Public Meetings

Public Notices

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Public Comments are taken for a period of approximately two weeks after a public meeting. If you would like to provide the SDDOT comments on a particular project, click on the link to review the public meeting information and email the contact person listed at the bottom of the page with any comments. If you don't see the project you are looking for, check the Special Studies page at the link below.

VISIT THE SPECIAL STUDIES PAGE FOR MORE PROJECT/CORRIDOR STUDY INFORMATION


Public Meetings - online, past, & current

Aberdeen Region

S.D. Highway 10 Through Sisseton
April 11, 2024 - Variable Speed Limits - Interstate 29 in Brookings County and Moody County
Feb. 13, 2024 U.S. Highway12 Over Moccasin Creek
Nov. 13, 2023 - I-29 Exit 133 (US14 Bypass/18th Street) Interchange Modification Study
June 29, 2023 - S.D. Highway 15 from Clear Lake to U.S. Highway 212
June 14, 2023 - S.D. Highway 47, S.D. Highway 249 & S.D. Highway 34 at Fort Thompson
March, 30, 2023 - I-29 Exit 133 (US14 Bypass / 18th Street) Interchange Modification Study
October 4, 2022 - S.D. Highway 37 from S.D. Highway 28 South 12 miles - Bead06VV
April 25, 2022 - SD28 Reconstruction in Toronto
March 10, 2022 - SD 37 from 21st Street South to 9th Street South in Huron
February 14, 2022 Spink 076X - Public Meeting
December 7, 2021 - Proposed Project to Reconstruct SD Hwy 21 (From Junction with SD28 N to Hayti)
October 5, 2021 Proposed Project to Reconstruct US212 (From 5 miles East of Redfield to East of Frankfort)
May 5 - May 26, 2021 - SD Highway 25 From US 212 to the Clark/Day County Line
April 21 to May 19, 2021 – SD 28 from 192nd St east of Lake Poinsett to 1.2 mi west of Estelline
Feb. 10 - March 5, 2021 - SD 28 from Estelline to SD 15 Online Public Meeting
Jan 12 - Feb 5, 2021 - Highway 37 in Huron
Dec. 9-28, 2020 SD 13 Public Information on Upcoming Construction
April 2020 (online info): Highway 15 from SD 28 N to Clear Lake
March 23, 2020 – SD 10 from ½ mi west of Houghton to Britton
May 25, 2017 - S.D. 25 Shoulder Widening Project


Mitchell Region

March 13, 2025 - Chamberlain Multi Project - Public Information Meeting
March 4-6, 2025 - Tabor to Platte Rail to Trail Feasibility Study
Jan. 15, 2025 - Interchange and Environmental Study for Interstate 29 (I-29) Exit 86 (Renner/Crooks)
Dec. 19, 2024 - S.D. Highway 38 and S.D. Highway 38 P Traffic and Drainage Study
Dec. 5, 2024 - S.D. Highway 37 Corridor Study between Mitchell and Parkston
Dec. 3, 2024 - 10th & 11st Street Viaduct Major Investment Study
Oct. 7, 2024 - U.S. Highway 18 East of Olivet over James River
Sept, 4. 2024 - Environmental Assessment - Interstate 229 exit 4 (Cliff Avenue)
Aug. 21-22, 2024 - S.D. Highway 115 Corridor Study
March 13, 2024 - Minnehaha County Corridor Study for SD 38 from Humboldt to Sioux Falls
March 12, 2024 - Interstate 229 Exit 6 (10th Street) Interchange Study
Dec. 5, 2023 - S.D. Highway 34 from Colman to Interstate 29
Oct. 30, 2023 - Northshore Drive Realignment – North Sioux City, SD
Sept. 28, 2023 - Resurfacing and Intersection Modification Near Madison
Sept. 6, 2023 - West Yankton County Transportation Study
July 18, 2023 - S.D. Highway 37 Through Parkston
June 20, 2023 & June 21, 2023 - S.D. Highway 44 Platte-Winner Bridge Environmental Assessment (EA) and Section 4(f) Evaluation
March 30, 2023 - U.S. Highway 18 from 1 mile East of S.D. Highway 37 to S.D. Highway 25
March 27, 2023 - U.S. Highway 18 - Davis, S.D.
March 6, 2023 - S.D. Highway 19 Urban Reconstruction through Viborg
Dec. 13, 2022 - S.D. Highway 34 from 13 miles east of Fort Thompson to S.D. Highway 45
Dec. 1, 2022 - West Yankton County Master Transportation Plan Study
Oct. 13, 2022 – S.D. Highway 50 - Yankton
April 11, 2022 Clay County Master Transportation Plan Study
March 24, 2022 Shoulder Widening Project on U.S. Highway 18
Nov. 16, 2021 – S.D. Hwy 38 from east of the S.D. Hwy 38P Junction (413th Ave) to 8.3 east of the Alexandria Junction (421st Ave)
Nov. 4, 2021 – S.D. 46 in Wagner
Sept. 14, 2021 Proposed Project to Reconstruct I90 Exit 387 (463rd St from Jeffrey St to Diamond Trl)
June 11 - Jun. 30 2021 Proposed Project to Reconstruct SD Hwy 34 (From the Intersection of SD34 & 469 AVE to the Colman east City Limits)
Dec. 14, 2020 to Jan. 7, 2021 - Online Information for SD 50 from SD 1804 to Lake Andes
Nov. 12-Dec. 5 - Online Public Input into the I-229 Exit 3 (Minnesota Avenue) & Exit 4 (Cliff Avenue) Interchanges Study
Aug. 4, 2020 - S.D. 50 from west of Tyndall through Tabor
June 2020 - U.S. 81 from 306th Street to 303rd Street
May 2020 - S.D. 42 from Willow Run Entrance to just West of S. D. 11
March 3, 2020 - US18 – From I29 to just east of SD 11
Jan. 7, 2020 - SD Highway 37 from N Main St to National Guard Rd/250th Ave.
June 6, 2019 - S.D. 52 -Shoulder Widening & Surfacing
May 8, 2019 - I-29/41st Street Interchange
April 25, 2019 - S.D. 46 from Beresford to Iowa State Line
Mar. 26, 2019 - SD42 - From the Big Sioux River Bridge to the Iowa State Line
Oct. 29, 2018 - S.D. 46 from U.S. 81 to Irene
Oct. 11, 2018 - U.S. 81 from 306th St. to 303rd St. Reconstruction
Jun. 18, 2018 - SD 34 from 469th Avenue to east city Limits of Colman
Feb. 8, 2018 - US18 - I-29 E to the W Junction of SD11
Nov. 16, 2017 - I-29 Overpass at 281st Street
Nov. 2, 2017 - U.S. 18/281 in Charles Mix County
Aug. 16, 2017 - Hwy 50 Tyndall to Tabor
July 25, 2017 - S.D. 50 from the divided lanes West of Vermillion to the divided lanes East of Vermillion
Jun. 8, 2017 - U.S. 18 from James River to U.S. 81
May 22, 2017 - S.D. 44 Shoulder Widening
May 9, 2017 - S.D. 34 From Sanborn/Miner County Line E to 425th Ave Near Roswell
Jan. 17, 2017 - S.D. 50, US18 & US281 Highway in Wagner


Pierre Region

Aug. 5-6, 2024, U.S. Highway 212 Forest City Bridge
April 23, 2024 - Tripp County Master Transportation Plan
March 12, 2024 - S.D. Highway 10E & S.D. Highway 10W - Through Pollock
Jan. 11, 2024 - S.D. Highway 63 North of Eagle Butte
January 4, 2024 S.D. Highway 44 - From East of Wood to the Tripp Co Line
Statewide Intercity Bus Study - Multi Locations and Dates
Oct. 26, 2023 - S.D. Highway 1804 From U.S. Highway 12 S 4.3- Grading, Interim Surfacing
April 19, 2022 Reconstruct U.S. Highway 12 (Through Selby)
June 9 to July 7, 2021 –US18 - From the East Junction of SD73 to West of Antelope Road/242nd Ave
April 16 to May 14, 2021 – US 18 from SD 391 to West of Martin
July 15- Aug. 7, 2020 - S.D. 73 from S of the White River to Kadoka (online meeting)
May 9-June 6, 2020 - U.S. 14 (Euclid Avenue), Pierre
June 20, 2019 - U.S. 12 Reconstruction from Morristown East 9 Miles
January 15, 2019 - U.S. 12 Claymore Creek Bridge Replacement & S.D. 1806 Realignment & Grand River Casino Entrance Relocation
October 22, 2018 - S.D. 47 - Walworth Co.
August 29, 2017 - U.S. 14 Sioux Ave to SD1804 in Pierre
April 27, 2017 - Highway 12 - Structure replacements


Rapid City Region

Upcoming: U.S. Highway 12 - Through Lemmon
Jan. 30, 2025 - U.S. Highway 16, From 4th Street in Custer to north of Buckhorn Loop
Nov. 19, 2024 - Old U.S. Highway 14 and Interstate 90 Exit 10 Study
Oct. 28-29, 2024 - Lawrence County Master Transportation Plan
Oct. 17, 2024 - S.D. Highway 44 West of Junction S.D. Highway 231 Over Rapid Creek
Aug. 27, 2024 - S.D. Highway 231 N of W Chicago to N of Knutson Ln
April 24 - 25, 2024 - Lawrence County Master Transportation Plan
April 4, 2024 – U.S. Highway 16 (Enchantment Road to the Tower Road Overpass)
Jan. 24, 2024 - Interstate 90, exit 48 (Stagestop Rd.) Interchange Modification Study
Dec. 18, 2023 - U.S. Highway 85 From Wyoming to Cheyenne Crossing
Dec. 14, 2023 - U.S. Highway 16 Corridor Study: Sub-Area Analysis (East of Rockerville to west of Neck Yoke Road)
Nov. 2, 2023 - US16 Corridor Study Sub-Area Analysis (East of Rockerville to west of Neck Yoke Road)
Oct. 4, 2023 - U.S. Highway 14A / U.S. Highway 85 / Deadwood Box Corridor Study
Aug. 22, 2023 - U.S. Highway 85 - 0.4 Miles South of U.S. Highway 212 Over the Belle Fourche River
July 25, 2023 - Hill City Master Transportation Plan Study
May 4, 2023 S.D. Highway 79 from Slim Buttes north to S.D. Highway 20
April 27, 2023 I-90/U.S. Highway 85 Spearfish Rest Area/Welcome Center Corridor Study
April 13, 2023 - I-90 Exit 63 (Box Elder / Ellsworth AFB Commercial Gate) Interchange Modification Study, Environmental Review & Design
Feb. 16, 2023 U.S. Highway 85 - From 7 miles N of Buffalo to Ludlow
Feb. 2, 2023 Spearfish Colorado Boulevard Corridor Study
November 22, 2022 – Intersection of U.S. Highway 16 & Neck Yoke Road
July 12, 2022 - U.S. Hwy 385 (4 N. of SD44 Jct to N. of Nemo Road)
March 28, 2022 - US14A - Str. 0.2 E of Cheyenne Crossing Over Ice Box Ck
March 3, 2022 – In Keystone, US16A Structure over Battle Creek & SD40 Sidewalk from US16A to 3rd Street
December 16, 2021 – US16A Structure Replacement over Battle Creek and SD40 Sidewalk in Keystone
I-90 Exit 46 - Elk Creek Road
US18/SD407 Reconstruction through Pine Ridge


Individuals needing assistance, pursuant to the Americans with Disabilities Act (ADA), should contact the SDDOT ADA Coordinator (605-773-3540) two business days prior to the meeting in order to ensure accommodations are available. For any in-person meeting, notice is further given to individuals with disabilities that the meeting is being held in a physically accessible location.