Fatal Crash - Highway 99 - Jackson County - 09/05/25

JACKSON COUNTY, Ore. (Sept. 5, 2025) - On Thursday, September 4, 2025, at 6:05 a.m., Oregon State Police responded to a single vehicle crash on Highway 99, near milepost 6, in Jackson County.

The preliminary investigation indicated a southbound Mazda MZ3, operated by Tristan Mitchel Donaldson (21) of Rogue River, was travelling at a excessive speeds when it lost control, left the roadway, rolled multiple times, and came to rest against a tree.

The operator of the Mazda (Donaldson) was declared deceased at the scene.

The highway was not impacted during the on-scene investigation.

OSP was assisted by the Jackson County Sheriff's Office, Fire District 1, and ODOT.

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About the Oregon State Police Collision Reconstruction Unit (CRU) 
The Oregon State Police Collision Reconstruction Unit (CRU) is a specialized unit responsible for investigating fatal and critical injury collisions on Oregon’s highways. The team provides expertise in the documentation, investigation, and analysis of complex motor vehicle crashes and crime scenes. They receive specialized training in the use of advanced measuring techniques and small unmanned aircraft systems (sUAS) for on-scene investigations. The CRU team includes ACTAR accredited collision reconstructionists and technical collision investigators deployed across the state.