Semi Fire on I-84, Sept. 13 On Wednesday, September 12, 2018 at approximately 1:50 AM. Oregon State Police Troopers and emergency personnel responded to the report a single vehicle commercial truck crash on I-84 near milepost 74. Preliminary investigation showed the commercial motor vehicle was east bound in the slow lane when it drifted off the roadway, impacted a rock embankment, and caught fire. The operator of the vehicle died as a result of injuries. The eastbound slow lane will be closed while OSP investigates and the removal of the vehicle is complete.