Arlington, OR (March 14, 2026) – A semi-truck driver died after suffering an apparent medical emergency that led to a crash along Interstate 84 near Arlington, according to authorities.
Troopers with the Oregon State Police responded to the scene on westbound Interstate 84 approximately 10 miles west of Arlington, Oregon.
Authorities reported that the semi-truck began swerving along the highway before leaving the roadway. The vehicle then crashed through a guardrail, overturned, and eventually came to rest on its side.
Officials said the driver, a 64-year-old man from La Crosse, Wisconsin, was found deceased following the crash. Responders with the Gilliam County Sheriff’s Office pronounced the driver dead at the scene.
Based on preliminary findings at the scene, investigators believe the driver may have suffered a medical emergency before the crash occurred.
Traffic along Interstate 84 may have been affected while emergency crews responded and assessed the crash site.
The incident remains under investigation by the Oregon State Police.
We extend our condolences to the family and loved ones of the driver who lost his life in this incident.
Medical Emergencies Can Lead to Sudden Highway Crashes
Medical emergencies behind the wheel can create dangerous situations, especially when they occur at highway speeds.
Major transportation routes such as Interstate 84 carry large volumes of passenger and commercial traffic through rural areas like Gilliam County, Oregon. When a driver becomes incapacitated, vehicles may drift from their lanes or leave the roadway entirely.
Investigators reviewing crashes like this often evaluate vehicle movement, roadway evidence, and medical factors to determine whether a health-related issue contributed to the incident.
