On Monday, May 22, 2023, at approximately 6:21 A.M., the Oregon State Police responded to a single vehicle crash on Hwy 140E, near milepost 16, in Klamath County. The preliminary investigation indicated a Toyota Sienna minivan, operated by Guy Robert Attride (51) of Klamath Falls, was westbound when the vehicle went off the roadway for an unknown reason, overcorrected back onto the roadway, and rolled several times before coming to rest on its tires. The operator was declared deceased at the scene. A female passenger was ejected from the vehicle and transported via Airlink with serious injuries. The passenger has not been identified at this time. OSP was assisted by Klamath County Fire District 1 and Bonanza Fire.