Oregon State Police (OSP) troopers are continuing the investigation of a single vehicle, fatal, roll-over traffic crash on I-84 near milepost 277 – near Ladd Canyon. Preliminary information indicates that shortly after 7:00 p.m., a Blue, 2000 Ford Excursion pulling a toy-hauler type travel trailer, was traveling eastbound on I-84 and descending Ladd Canyon when the vehicle lost control and rolled over into the center median. One of the occupants died as a result of the crash.