Rapid City’s Diverging Diamond Interchange wins award
July 16, 2024
PIERRE, S.D. – The South Dakota Department of Transportation’s (SDDOT) Diverging Diamond Interchange (DDI) located on Interstate 90 at exit
PIERRE, S.D. – The South Dakota Department of Transportation’s (SDDOT) Diverging Diamond Interchange (DDI) located on Interstate 90 at exit
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Rapid City Post.
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