Fatal Crash - Highway 395 - Umatilla County - 12/03/25
Umatilla County, Ore. (Dec. 3, 2025)- On Monday, December 1, 2025, at 5:53 a.m., Oregon State Police responded to a vehicle versus pedestrian crash on Highway 395, near milepost 2, in Umatilla County.
The preliminary investigation indicated a pedestrian, Breann Hailey Mayberry (31) of Umatilla, was located deceased on the northbound shoulder of the highway. Evidence at the scene led investigators to believe a white commercial motor vehicle was involved in the collision and had fled the scene.
While still at the scene, investigators observed a white Freightliner commercial motor vehicle and trailer being towed down the highway. The damage to the Freightliner was consistent with the scene evidence and the vehicle was seized. The operator, Timothy Alvin Brown (66) of Yakima (WA), was later located and arrested for Fail to Perform Duties of a Driver.
The pedestrian (Mayberry) was declared deceased at the scene.
The operator of the Freightliner (Brown) was reportedly uninjured.
The highway was impacted for approximately five hours during the on-scene investigation. The investigation is active and no additional information is available for release.
OSP was assisted by the Hermiston Police Department, Umatilla County 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.