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Press Releases

Bridge Reconstruction Scheduled to Begin at Cheyenne River Bridge South of Maverick Junction on S.D. Highway 18

On Tuesday, May 28, 2024, a bridge rehabilitation project is scheduled to begin at the Cheyenne River Bridge one mile south of Maverick Junction on S.D. Highway 18.Read More

Final Phase Traffic Change Planned for 41st Street in Sioux Falls

A traffic change is planned for Monday, May 20, 2024, as part of the final phase of the 41st Street Diverging Diamond Interchange (DDI) project in Sioux Falls. Read More

Project Begins at Jefferson Port of Entry on Interstate 29

A project has begun at the port of entry located four miles north of Jefferson on Interstate 29. Read More

Project Scheduled to Begin on U.S. Highway 212 Between Clark and Watertown

Pipe repair work on U.S. Highway 212 is scheduled to begin during the week of May, 20, 2024. This reconstruction project will mill and overlay approximately 21 miles on Highway 212 from Clark to west of Watertown.Read More

Closure Scheduled for Interstate 229 Southbound On-Ramp at Benson Road in Sioux Falls

Starting Monday, May 20, 2024, through Monday, July 1, 2024, the Interstate 229 southbound on-ramp at the Benson Road Diverging Diamond Interchange (DDI) construction project will be closed for the installation of utilities, grading, and concrete surfacing. Read More

U.S. Highway 385 Construction: Phase 1 Closures Scheduled to Begin in Custer Area

Two complete road closures on U.S. Highway 385 will begin on Monday, May 20, 2024. Read More

Public Invited to 41st Street DDI Educational Event at Empire Mall in Sioux Falls.

The public is invited to an educational open house from 4-7 p.m. on Wednesday, May 22, 2024, to learn about the Diverging Diamond Interchange (DDI) that is being built at the intersection of 41st Street and Interstate 29 in Sioux Falls. Read More

2025 Transportation Alternatives (TA) Program Funding Available through SDDOT

Letters of intent are now being accepted for the Transportation Alternatives (TA) program through the South Dakota Department of Transportation (SDDOT). Read More

South Dakota Transportation Hall of Honor Committee Accepting 2024 Nominations

The Transportation Hall of Honor Committee is accepting nominations for review and consideration for induction into the South Dakota Transportation Hall of Honor. The purpose of the Transportation Hall of Honor is to recognize individuals who have made a lasting, valuable, and/or unique contribution to South Dakota’s air, highway, public transit, or rail transportation system. Read More

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Centerline Rumble Strips (CLRS)

The South Dakota Department of Transportation (SDDOT) will begin to deploy Centerline Rumble Strips (CLRS) on rural roads with 500 or higher Average Daily Traffic (ADT) in order to further prevent head-on and sideswipe crashes.Read More

National Work Zone Awareness Week (NWZAW) April 15-19, 2024

NWZAW has been observed for more than 20 years and was launched as a public awareness campaign to help everyone understand that they play a role in keeping motorists and roadway workers safe.Read More

Prepare for Summer Construction Season: Sign Up for Notifications on SD511!

South Dakota Department of Transportation’s SD511 Traveler Information System informs travelers, law enforcement, emergency responders, and highway maintenance personnel of conditions that affect travel. Its main purpose is to help the public make well-informed travel decisions.Read More

Move Over, It’s the Law

South Dakota’s Move Over law requires travelers to move over and/or slow down when a stopped vehicle is in use of amber, yellow, or blue warning lights. Read More