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Chaffins said police were investigating whether rubbernecking was the cause of the wrecks in the southbound lanes.

In that wreck, the Freightliner driven by 58-year-old Mark Bowser from Lewisburg, Ohio, struck Lohman’s vehicle, then hit a 2005 Saturn SUV driven by 53-year-old Victor Martinka of Glenview, Ill.

Chaffins said Martinka’s vehicle then struck a 2012 Chevrolet SUV driven by Stephanie Yates, 55, of Louisville. Chaffins said none of the other drivers were hospitalized.

The wreck on Saturday happened just north of where a tractor-trailer crossed the median and struck a van carrying 11 people in 2010. In the wake of that crash, the NTSB called for a ban on talking on cellphones or texting by long-distance truckers.

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Karnowski reported from Minneapolis, Minn.

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Follow Associated Press reporter Brett Barrouquere on Twitter: http://twitter.com/BBarrouquereAP