A Twin Falls, Idaho man was killed in a commercial truck and trailer crash early Tuesday morning on Interstate 84 in Gilliam County.  According to the Oregon State Police, a preliminary investigation indicated a westbound Freightliner commercial motor vehicle and trailer operated by 47-year-old Adam Hassan Ahmen Haroun left the roadway on I-84 at milepost 148 and struck a bridge pillar before catching fire.  Haroun was declared deceased at the scene.  The freeway was impacted for about 11 hours during the on-scene investigation.  The accident occurred at about 3:45 Tuesday morning.