How Do I?

Press Releases

Several Asphalt Repair Projects to Begin in Western South Dakota

Beginning Thursday, June 20, 2024, crews will begin asphalt repair projects on various routes in western South Dakota. Each route will take approximately one to two weeks to complete.Read More

Temporary Intersection Closure Scheduled for U.S. Highway 18 and S.D. Highway 115 in Canton

Updated Project Information: Due to forecasted rain, the intersection closure at U.S. Highway 18 and S.D. Highway 115, west of Canton, is rescheduled to Saturday, June 22, 2024, from 6 a.m. to noon.Read More

SDDOT in Search of Borrow Material Providers for S.D. Highway 15 Project from Clear Lake North to U.S. Highway 212

In 2027, the South Dakota Department of Transportation (SDDOT) plans to administer a construction project on S.D. Highway 15 from Clear Lake north to U.S. Highway 212.Read More

Bridge Repair Work Scheduled to Begin on S.D. Highway 324 South of Brookings

Work is scheduled to begin on S.D. Highway 324 over Interstate 29 south of Brookings beginning Monday, June 17, 2024. With this project, temporary signals will be in place at the I-29 exit 127 off-ramps in both directions.Read More

Shared-Use Path Construction Scheduled to Begin in Spearfish

On Monday, June 17, 2024, work is scheduled to begin on the construction of a shared-use path on Old Belle Road, between Tumbleweed Trail and Russell Street, in Spearfish. Read More

South Dakota Airport Terminal Program Launched

The South Dakota Department of Transportation (SDDOT) is pleased to announce the launch of the South Dakota Airport Terminal Program (SDATP) following the successful passage of Senate Bill 144 in the 2024 legislative session. 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

Stay Connected


Driver and fuel data reveal the best freight corridors nationwide

The northernmost east-west and westernmost north-south freight corridors are among the most friendly paths for truck drivers, according to new rankings released by Trucker Path, which focuses on driver, broker, and fleet management solutions.Read More

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

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