PIERRE, South Dakota, July 16 -- The South Dakota Department of Transportation issued the following news release: The South Dakota Department of Transportation's (SDDOT) Diverging Diamond Interchange (DDI) located on Interstate 90 at exit 59 and North LaCrosse Street in Rapid City was recently honored as a winner within the Western Association of State Transportation Officials (WASHTO) region for the 2024 America's Transportation Awards competition. Selected from 32 projects nominated by 15 sta  more