Oregon State Police (OSP) is continuing the investigation into Sunday afternoon’s fatal crash on Highway 212 and SE 130th Avenue near Happy Valley. On April 22, 2018 at about 4:58 p.m., OSP troopers and first responders were dispatched to a two vehicle crash involving a passenger car and a motorcycle. Preliminary investigation revealed that a silver Kia Rio, operated by Uriy DUDKO, age 20, from West Plains MO, was stalled in the fast lane of Highway 212 heading eastbound. A Honda B6S motorcycle operated by, Mitchell VANDOREN, age 25, from Milwaukie, was traveling eastbound on Highway 212 at a high rate of speed and hit the rear of the Kio Rio. DUDKO exited his vehicle to check the damage and then proceeded southbound onto SE 130th Ave. After going a short distance DUDKO again exited his vehicle to look at the crash scene. DUDKO again left the scene in his vehicle and was stopped by a Happy Valley Police Sergeant. DUDKO was arrested and lodged at Clackamas County Jail on Failure to Perform the Duties of a Driver to injured persons. VANDOREN was pronounced deceased at the scene. Investigators are looking at speed on VANDOREN’S part as a contributing factor in the crash. Highway 212 was closed about 3 ½ hours for the investigation.