After hours of work, overturned tractor-trailer cleared from NB lanes of I-35 in southern JoCo.

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JOHNSON COUNTY, Kan. -- Crews spent hours Monday morning working to get a tractor-trailer back up after it rolled over along I-35 in southern Johnson County, Kan.

The crash occurred around 5:03 a.m. in the northbound lanes of I-35 just past Sunflower Road near 199th.

The overturned tractor-trailer appeared to be blocking two lanes of traffic, which posed a problem for the morning commute.

The tractor-trailer driver sustained moderate physical injuries.

Investigators have not said what caused the rollover.