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MUSKEGON, Mich. — Whiteout conditions triggered a 40-car pileup on a Michigan highway yesterday.

Dozens of cars and trucks were smashed in a chain reaction crash in Muskegon Township, northwest of Grand Rapids.

Some of them spiraled into the ditch.

Even a state police cruiser was caught in the mess.

The highway was shut down for nearly three hours.

Only three people were hurt with minor injuries.