The state increased its speed limit from 75 to 80 in 2015. Since then, fatalities in crashes on highways and interstates have ...

Low-level airplane flights begin as soon as late July over the Black Hills and Bear Lodge areas of Wyoming and South Dakota ...

South Dakota is a crucial part of the 2,500-mile pipeline across five states -- including Iowa -- estimated to cost $8.9 billion. Skip to content . Subscribe Today. Public Notices.

YANKTON, S.D. -- South Dakota Department of Transportation officials say South Dakota Highway 46 is now open at the Iowa state line by Hawarden, Iowa.