The National Weather Service in Sioux Falls, S.D. shared a photo on Twitter of a 22-car pileup on Interstate 90, at mile marker 375.
South Dakota transportation officials closed westbound I-90 on Thursday from Sioux Falls to Salem, S.D. due to several weather-related accidents blocking the roadway.
A storm system has slammed South Dakota with two inches of fresh snow and 70 mph winds, creating whiteout conditions.
Check http://www.safetravelusa.com/sd or dial 511 for up-to-date road information in South Dakota.
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