sentences:  In March 2012, the southbound lanes of the interstate were again closed to traffic between mile markers 141 and 143 in Campbell County, Tennessee due to a slide beneath the roadway.This was later followed by a second slide in early May 2012 that caused a portion of the southbound lanes to completely erode and forced the detour lanes to be closed.In February 2016, a rock slide closed I-75 near Caryville, Tennessee.