The South Dakota Department of Transportation will host a meeting at Spearfish City Hall next week Wednesday, April 5, to take public input on its…
Tag: Interstate 90
Will the Great Black Hawk Gypsum Sinkhole eat Interstate 90? Anything could happen, suggests Dr. Mohammadhossein Sadeghiamirshahadi of Montana Technical University: An abandoned gypsum mine…
The state Transportation Commission has previously mentioned the possibility of temporarily rolling back the new 80-mile-per-hour speed limit on Interstate 90 around Sturgis. Now Bob Mercer…