HIGHWAY 18 OPEN EAST OF LAKE ANDES
The South Dakota Department of Transportation has reopened Highway 18 east of Lake Andes.

U.S. 16 Corridor Study Public Open House
The South Dakota Department of Transportation (SDDOT), in collaboration with the City of Rapid City, Pennington County, and the Rapid City Area MPO, will hold a public open house at 5:30 p.m. on Tuesday, Dec. 10, at the Event Center at Black Hills Energy, 7001 Mount Rushmore Road, Rapid City to inform area residents of the beginning of the U.S. 16 Corridor Study.


Lane Closures on I-229 at 26th Street
The South Dakota Department of Transportation says Interstate 229 southbound and northbound in Sioux Falls will be reduced to one lane by the 26th Street exit beginning Wednesday, Dec. 4


I-90 Open Travel Caution
The South Dakota Departments of Transportation and Public Safety have opened the closed portion of Interstate 90 (Wyoming border to Chamberlain) in both directions. Officials are advising motorists that even though the interstate is open, driving conditions are still hazardous throughout much of the state and there are still No Travel Advisories posted on numerous highways, especially in the southeast part of the state, including I-90.


I-90 To Remain Closed Travel Caution
The South Dakota Departments of Transportation and Public Safety are advising motorists that Interstate 90 will remain closed from Chamberlain to the Wyoming border at least overnight and crews will reassess conditions Sunday morning.


I-90 Closing from the Wyoming Border to Chamberlain
The South Dakota Departments of Transportation and Public Safety are advising motorists that Interstate 90 will be closing tonight between the Wyoming border and Chamberlain, both east and west bound, at 12 a.m. CST (11 p.m. MST).


SDDOT Awards Economic Development Grants
The South Dakota Transportation Commission has awarded $4 million in economic development grants for infrastructure improvements to foster economic development and enhance community access in South Dakota.

Public Input for Dell Rapids Master Transportation Plan Study
The South Dakota Department of Transportation, in collaboration with the City of Dell Rapids, will hold a public open house as part of the Dell Rapids Master Transportation Plan.


Highway 212 Reopened to Minnesota Border
The South Dakota Department of Transportation says Highway 212 from the Highway 15 south junction at mile marker 398 to the Minnesota border is open to traffic.


Department of Transportation / Highway Patrol Seeks Public Input into the U.S. 14/U.S. 14 Bypass Corridor Study
The South Dakota Department of Transportation (SDDOT), in cooperation with the City of Brookings and City of Volga, will hold two public open houses to gather feedback of preliminary U.S. 14/U.S. 14 Bypass corridor and intersection improvement concepts developed to date.


Highway 37 Temporary Closed at North Dakota Border
The South Dakota Department of Transportation, in cooperation with the North Dakota Department of Transportation, has closed Highway 37 at the ND/SD border due to water and ice on the roadway making safe travel impossible.


Construction on Interstate 229 in Sioux Falls
The South Dakota Department of Transportation says southbound traffic on Interstate 229 at Western Avenue will be reduced to one lane beginning Friday, Nov. 1.


SOUTH DAKOTA PROGRAM TO REDUCE ROADWAY DEPARTURE CRASHES IN WINTER WEATHER WINS NATIONAL ROADWAY SAFETY AWARD
The South Dakota Department of Transportation (SDDOT) was honored last week in a ceremony on Capitol Hill with a National Roadway Safety Award for the success of its “High Friction Surface Treatment” (HFST) program to address road departure crashes in winter weather.


Ramps Opening on I-90 Exit 402
The South Dakota Department of Transportation will be opening the on and off ramps of Exit 402 on Interstate 90 Friday, Oct. 25.


Construction Starting on Westbound Interstate 90 Bridges over Interstate 29 and Silver Creek
Starting today, Oct. 22, the South Dakota Department of Transportation will begin high surface friction treatment work in the westbound passing lane of the Interstate 90 bridge over Interstate 29 and the westbound driving lane of Interstate 90 bridge over Silver Creek.


Railroad Crossing Work To Begin in Wall
The South Dakota Department of Transportation says railroad crossing work will begin in Wall on the Interstate 90 Loop/Hwy 240 near the Wall School on Friday, Oct. 18.


Block Closure Work Begins on U.S. Highway 212 in Watertown
On Monday, Oct. 7, Reede Construction will move into the Phase 1 Block Closure portion of the Highway 212 project.

Additional Lane Closures on Highway 212
The South Dakota Department of Transportation says the contractor will be closing Highway 212, one-half at a time, starting Monday, Oct. 7, from the Highway 15 south junction west for one mile.


Updated - Construction to Begin on Interstate 90 Exit 396 Ramp
Clarifies closure and detour routes. Starting Monday, Oct. 7, the South Dakota Department of Transportation will begin high surface friction treatment work on the Interstate 90 Exit 396 ramp to southbound Interstate 29.


Work on I-90 near Whitewood
On Monday, Sept. 30, 2019, crews will begin concrete pavement repairs in the westbound lanes of I-90 near Whitewood.


Highways 20 and 79 Pavement Repair Project Postponed
The South Dakota Department of Transportation is postponing the pavement repair project on Highway 20 and 79 in the northwestern part of the state until 2020 due to weather delays experienced by the contractor.


Highway 79 Slide and Erosion Repairs
Beginning the week of Sept. 29, crews will begin slide and erosion repairs at the following locations on Highway 79:

Rail STC Grant Funds Available
The South Dakota Department of Transportation has been informed by the U.S. Department of Transportation’s (USDOT) Federal Railroad Administration (FRA) that approximately $12.7 million of Special Transportation Circumstance (STC) grant funds are available the State.


Highway 42 Bridge Reopening
The South Dakota Department of Transportation is working to reopen the James River Bridge on Highway 42 the afternoon of Tuesday, Sept. 24.

Highway 12 Being Reduced to One Lane from Roscoe to Ipswich
The South Dakota Department of Transportation will begin asphalt concrete work on Highway 12 from Roscoe to Ipswich on Tuesday, Sept. 24.


Construction to Begin on Highway 115 (Minnesota Ave.) North of Renner
SIOUX FALLS, S.D. – Starting Monday, Sept. 23, the South Dakota Department of Transportation will begin pavement repair and high friction surface treatment work on Highway 115 north of Renner from mile marker 93.24 to mile marker 93.82.


I-90 Exit 357 Flooding Update
South Dakota Department of Transportation crews have been working this week to create a water barrier along the westbound lanes of Interstate 90, just east of Exit 357 (Bridgewater), to divert the water from continuing to overtop the interstate.


Highway 44 Rock Scaling
The South Dakota Department of Transportation says rock scaling on Highway 44 between Chapel Lane and Cleghorn Canyon Road will begin Tuesday Sept. 17, at 8 a.m. depending on weather.

Department of Transportation Seeks Public Input into the I-90 Exit 406 (SD11 / Splitrock Boulevard) Interchange EA
The (SDDOT), in collaboration with the Sioux Falls Metropolitan Planning Organization (MPO) and the city of Brandon, will hold a public open house from 6 p.m. to 7:30 p.m. on Wed. Sept. 18, 2019, at the Holiday Inn Express Convention Center, (1103 N Splitrock Boulevard) to present and collect comments for improvements to the I-90 Exit 406 interchange and associated SD11 / Splitrock Boulevard corridor.

Reminder to Remove Hay Bales from the Right of Way
The South Dakota Department of Transportation reminds land owners hay remaining in highway ditches after Oct. 1 is deemed illegal.


I90 Open- Drivers Cautioned To Lane Closures and Reduced Speeds
The South Dakota Department of Transportation is advising motorists that Interstate 90 is open with reduced speeds, lane closures and flaggers monitoring and guiding traffic.


I-90 To Remain Closed
The South Dakota Department of Transportation is advising motorists that portions of I-90 will remain closed overnight and remain closed until further notice.

Portions of I-90 opening
The South Dakota Department of Transportation is advising motorists that Interstate 90 westbound is open from the Bridgewater Exit 357 west and remains closed from Humboldt Exit 379 to Bridgewater Exit 357 with through traffic detoured at Sioux Falls Exit 396 to northbound I-29.