Lauren M. Hahn, 32, Kimberly A. Siegrist, 63, Jeremy D. R. Boehne, 32, and Karen M. Boehne, 33, killed in commercial truck crash on I-75 near Dayton, Ohio

Troopers said a 2011 Freightliner Cascadia tractor-trailer operated by Dayren Rocubert, 29, of Hialeah, Florida, was traveling north on I-75 when the vehicle went off the left side of the roadway into the median, traveling through the cable median barrier and ditch. The freightliner continued into the southbound I-75 lanes and struck two vehicles.