A total of 600 or more Jeeps are expected to parade across the Mackinac Bridge Friday in the second annual Jeep the Mac event.

More than 1,000 people in 600 other Jeeps from all over the country will cross the Mackinac bridge together.

There are at least 17 special crossings planned on the five mile Mackinac Bridge this year.  Besides the annual Labor Day walk, there are runs, bike events and parades of antique tractors, big rigs, Mini Coopers and all terrain vehicles.

There's even a vintage snowmobile crossing in December.  Here's more from the Lansing State Journal.

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