NEW LENOX, Ill. (CBS) — A semi-trailer truck caught fire on Interstate 80 overnight, causing a major traffic snare for the morning rush.

The truck’s refrigerated trailer caught fire sometime before sunrise on westbound I-80 in New Lenox, reports CBS 2’s Kris Habermehl.

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The fire had been out for some time by 6:30 a.m., but the trailer was still lying in the right lane, burned all the way down to its frame rails.

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Crews succeeded in removing the cab from underneath the charred trailer, and as of 6:30 a.m., a Bobcat was scooping up the unidentified burned cargo inside and hauling it to dumpsters.

The truck fire reduced I-80 to two lanes from LaGrange Road to about a mile past Wolf Road. One of the right lanes had reopened by 6:30 a.m.

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Further details of how the truck caught fire were not immediately available.