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Temporary Closure Planned on Interstate 90 Eastbound Exit 379 at Humboldt

On Monday, Sept. 23, 2024, a temporary closure is scheduled for the Interstate 90 eastbound exit 379 on-and off-ramps at Humboldt. Read More

U.S. Highway 16A/Iron Mountain Road Closure Planned for Mount Rushmore Half Marathon

At 7 a.m. on Saturday, Sept. 21, 2024, U.S. Highway 16A/Iron Mountain Road will be temporarily closed from S.D. Highway 244 to North Playhouse Road for the Mount Rushmore Half Marathon. Read More

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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